Edelbrock VRS-4150 Race & Performance Carburetor #1307 750 CFM is street friendly but race ready. 12 port annular boosters on all four corners! Last I heard they were working on the calibration still. INTERNATIONAL Customer Options, Summit Racing Equipment SpeedCard The obvious visual cues for Edelbrock's VRS-4150 mechanical secondary carburetor include float-level sight plugs on both sides of each float bowl, fuel drain plugs, two 30cc accelerator pumps, and four-corner idle adjustment screws. This standard booster is relatively small with a 0.385-inch i.d. Two external idle air screws provide idle speed fine-tuning without moving the throttle plates. Idle air mixture screws were so close that no adjustment was done. This is fuel in addition to what is delivered by the low- and high-speed main metering circuits. } Called Edelbrock, recommended changing the inner most air bleeds from .030 to .026Sweep 25: 608hp@5700, 635ftlbs@4400 AFR 12.53-13.54This change gained 8ftlbs, however it leaned the mixture .2-.4 across the range. For the best experience on our site, be sure to turn on Javascript in your browser. The new Edelbrock VRS 4150 carburetor was the highlight of our stop at Edelbrock's booth at the 2021 PRI show. VRS carburetors allow users to externally adjust idle bypass air and the adjustment screws are accessible without removing the air cleaner/scoop. In front of everyone standing around I asked "when's this going to be for sale" he replied "soon" I then asked is it's because you need to put more air bleed in it so the carb will run right? Finally, for greater control at high RPM, the high speed/main fuel circuit is split into two bleed circuits - one each for the lower and upper sections. The Edelbrock carb starts life with a main body that is -inch taller than a traditional 4150-style carb, and with the larger-capacity fuel bowls. ! All of these features make for easy tuning and great versatility in many applications. margin-top: 10px; #gallery-2 img { JavaScript seems to be disabled in your browser. You can see that the low-speed main metering circuit (with two bleeds) is separate from the high-speed side (with three bleeds). Reviews For more information, visit www.P65warnings.ca.gov. If it is time to install a new carburetor, choosing an Edelbrock VRS-4150 is the correct move. Description; Edelbrock - 1306. To learn more, view our, Skip to the beginning of the images gallery, Carburetor Stud Kit #8008 Zinc Finish 5/16-18 x 1 1/2in, Carburetor Stud Kit #8024 Zinc Finish 5/16-18 x 1 3/4in. We use cookies to provide you with the best possible user experience. Our drop base (part no. The VRS-4150 will be a pleasure to tune with Edelbrocks latest carburetor innovations. The AVS2 does not have trouble starting when vehicle is hot. For more information about the VRS series of carburetors, contact the representatives at Edelbrock. The floats have corner cuts to avoid shutting off the fuel flow during hard cornering, and jet extender notches and jet extenders in the rear to keep the jets covered in fuel under hard acceleration. float: left; float: left; } dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. It has dual fuel Inlets on both sides with AN fittings. By continuing to use our site, you agree to their use. For the best experience on our site, be sure to turn on Javascript in your browser. The power valve will add fuel as necessary while the power valve protection circuit prevents diaphragm damage from backfires. Watch the video to discover how the new VRS-4150 Carburetors can drastically improve performance of your vehicle! #gallery-3 { float: left; AFR flattened out mid 12s 90% of the range. and is used in our 650-CFM carb, which has the 1.25 diameter venturi. The 3.75"-tall cast aluminum main body fits all 4150 and 4500 carb flange manifolds without requiring an adapter plate. The VRS-4150 carburetors are street friendly but race readyand the one-piece, cast aluminum bodies fit all 4150 and 4500 carb flange manifoldswithout requiring an adapter plate. Edelbrock calls the high-speed circuit the inner circuit because of the location of the bleed on top of the carburetor, and because the three small emulsion bleeds are located on the innermost side of the metering block. The store will not work correctly in the case when cookies are disabled. We use cookies to provide you with the best possible user experience. We have the new Edelbrock VRS-4150 race carburetor on the bench to do an in-depth analysis as to why this could be the greatest off the shelf carburetor ever built. Now, well into the 21st century, the carburetor's image has been further enhanced with Edelbrock's recent introduction of a brand-new, highly refined four-barrel they call the VRS-4150. he was not amused by that. This is gonna be outrageous! And now you can see why I am completely floored by what they are trusting me to do. The low-speed bleed is identified as the outer for its outer location on the metering block. Above: This is the second of two labeled views Edelbrock provides of their VRS-4150 carburetors. #gallery-4 .gallery-caption { margin-top: 10px; If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Home; About; Services; Gallery; Contact If this new carb appears slightly larger, it's not a trick of photography. Our Tech Support Agents are second to none. Traditionally, this is called a downleg booster, but by design, the fuel in our boosters follows a straight path. by 408swinger Wed Jun 22, 2022 3:16 pm, Post I really mean that. McCarthy noted, We already carry most of the spares needed in our HDQ line and will be adding some VRS specific kits. Gallery: Lance Hegedus 1970 Dodge Challenger T/A Survivor. they are literally trusting me to help announce a completely new direction for their carburetor business. Generally, it will have three to five small air bleeds located in a tube in the main well that introduce air into the main metering circuit. 641192), will fit properly. Reinforcing the idea that "carbs are not dead!" has gotten the racing industry abuzz, and some of our favorite publishers and builders are weighing in. The slotted attachment holes allow this carburetor to bolt to either a 4150- or 4500-flanged manifold. Sweep 24: 614hp@5500, 628ftlbs@4500 AFR 12.30-13.22Best hp motor has ever made. What Happened to Edelbrock's new VRS-4150 Carburetor? margin-left: 0; The 20% larger capacity fuel bowls feature internal ribs to control fuel slosh, and a sculpted baffle directs incoming fuel to the sides to minimize bubbles. For the best experience on our site, be sure to turn on Javascript in your browser. Next, we test a low-rpm cam and a high-rpm cam in the same engine to demonstrate the power differences. Enthusiasts will be pleased with the excellent built-in adjustability of the VRS-4150. What type of question would you like to submit? width: 100%; Edelbrock also decided that one way to maintain the carburetor's structural integrity was to make the throttle plate and main body as one unit, so the throttle area is now part of the carburetor's main body. shipped as quickly as possible. margin-top: 10px; Besides the Edelbrock new carburetor the Edelbrock team Almost yours: 2. width: 100%; Theres timed vacuum ports on both sides and metered vacuum ports. | We offer a quick and painless return process on all new and unused products when purchased direct. Carburetor - VRS-4150 - 4-Barrel - 650 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Black Anodized / Natural - Each . Like almost everything else they attempt to introduce it will be around 2 years or more before it actually can be bought. margin-left: 0; Our core products are made in the USA offering unsurpassed quality and performance. I have been waiting to see how much one of these new fancy Eddy 4150 carburetors is going to cost, so I clicked on their site and now it does not even show these new fangled carburetors anywhere on their site, Did they get sued by Holley? Ask a Product Question. #gallery-4 .gallery-item { I've called Edlebrock 3 times this year inquiring about the VRS 4150 and they haven't been given a release date yet. Availability: IN STOCK AND READY TO SHIP. by CamKing Wed Jun 22, 2022 10:36 am, Post This creates four screw-in air bleeds on top of each venturi for each of these circuits. Edelbrock calls this a "mustache" because of its shape, which is designed to mitigate fuel slosh. Image is a representation of this item. If you bolt a new carburetor to an engine right out of the box and run it on the dyno, it will create a fuel delivery curve expressed usually in pounds per hour (lbs/hr). All of these features make for easy tuning and great versatility in many applications. by CamKing Wed Jun 22, 2022 9:59 am, Post Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? On idle the AFR was high 13s at transition it climbed to 17s and was shut down. JavaScript seems to be disabled in your browser. This map identifies all the main circuit bleeds except for the intermediate circuit. Estimated International Ship Date: Normally found only in high end racing carbs, the VRS includes fully adjustable intermediate fuel circuits, which help to provide incredible throttle response. Copyright 2023 by AUTOSALES, INCORPORATED margin: auto; Edelbrock EDEL-1916 $492.99. The story intimated that with the coming of EFI, the carburetor was as outdated as a steam-powered threshing machine. This new carburetor does require a specific length dual feed fuel line because its length falls between the traditional 4150 and 4500 lengths. They gave me no boundaries here. margin-top: 10px; We recommend these similar substitute parts: Estimated USA Ship Date: that means there are four circuits in this carburetor! Above Left:The VRS-4150 carbs are available in 650-, 750-, 850-, and 950-CFM ratings. The base is drilled for both 4150 and Dominator bolt patterns. I walked away looked at my Son and said so he could hear me, "what a piece of junk" we both laughed as my Son called them Edeljunk. 24K views 5 months ago Edelbrock is releasing this BRAND NEW VRS-4150 carb and let us Dyno it! by 1980RS Tue Feb 22, 2022 9:30 pm, Post Edelbrock VRS-4150 Race & Performance Carburetor #1306 is race ready with four circuit billet metering blocks for full tuning capability and street friendly with a universal fit throttle arm, vacuum fittings and provisions for a TPS sensor. In most domestic performance carburetors, the main metering circuit is the one that delivers fuel through the booster. I mean I havent been around that long but I cannot imagine a mega corporation trusting someone like me to do this. With the new VRS Series carburetors many attributes, they make for easy tuning and great versatility in many applications. They feature mechanical secondaries, multiple . Write a Review, Write a Review Edelbrock is releasing this BRAND NEW VRS-4150 carb and let us Dyno it! Edelbrock VRS-4150 Race and Performance Carburetor. The reason for this is to give the tuner the maximum amount of fuel-curve adjustability. text-align: center; } Along those same lines, the secondary fuel bowl uses jet extensions to ensure the jets are covered in fuel during hard dragstrip launches. Clearly, a lot of thought went into this effort. While the fuel-bowl gasket is the same as a traditional 4150 carburetor, the distinct four circuits in the metering block requires a specific metering block gasket that will be available through Edelbrock. They built in drain plugs for the bowls so when youre at the track and you want to change some jets its easy to drain the fuel. There is a throttle positioning sensor built into the carb!!! Right off the bat everyone including me is a little bit shocked that this is not the Performer or AVS platform. /* see gallery_shortcode() in wp-includes/media.php */. Quick view. Apr 25, 2023 The power valve will add fuel as necessary while the power valve protection circuit prevents diaphragm damage from backfires. Manifold & Carburetor Product Line Manager Brent McCarthy shared, The boosters are interchangeable. These are idle bypass adjustments positioned on both sides of the main body. To learn more, view our. Investigating the passenger side of the carburetor reveals a throttle position sensor (TPS) fixture, which is very handy if this carburetor will be used along with an electronically controlled automatic transmission like a 4L60-70 Series or 4L80E. Normally found only in high end racing carbs, the VRS includes fully adjustable intermediate fuel circuits, which help to provide incredible throttle response. Watch the video to discover how the new VRS-4150 Carburetors can drastically improve performance of your vehicle! If its like the rest of their carbs it will be lean lean lean or fat fat fat. } #gallery-4 img { Theres an idle circuit, a transition throttle, a mid throttle and a wide open throttle circuit! What is less obvious is the -inch-taller main body, visible in the extra space between the main body and the top of the metering blocks. #gallery-3 img { Proven no need for anything other than a two circuit carb on pretty much any 4150 style, there is no performance to be gained when carb is properly sized/tuned for it's application Not sure I like it or not..but it will have a market and serve it's purpose. Edelbrock labels the low-speed circuit as the outer, because the small emulsion bleeds are located on the outboard of the high-speed bleeds in the metering block. Mar 21, 2023 For the best experience on our site, be sure to turn on Javascript in your browser. The most noticeable change on the passenger side of the new VRS-4150 Edelbrock is the addition of the throttle position sensor (TPS) fixture cover with two small screws. A typical carburetor will feature two circuitsone idle and the one main metering circuit. We use cookies to provide you with the best possible user experience. In addition, it will flawlessly perform because of the ability to modify the carburetor, whether on a high-revving race engine, a performance street engine, or a warmed-over stocker. By continuing to use our site, you agree to their use. By continuing to use our site, you agree to their use. by HQM383 Wed Feb 23, 2022 1:05 am, Post Edelbrocks VRS-4150 line of race and performance carburetors are available in 650CFM, 750CFM, 850CFM & 950CFM. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Cookie Policy. We use cookies to provide you with the best possible user experience. by Walter R. Malik Tue Jun 21, 2022 7:20 pm, Post The distance between the fuel inlet fittings is slightly longer than a typical 4150 carburetor, but not quite to the spread of a 4500 carburetor, so this will require a specific, custom-length fuel feed-hose. Edelbrock calls this a four-circuit carburetor and we'll get into that definition a little bit later in this discussion. text-align: center; Not so uncommon to see a broken Holley baseplate.. in this situation, it appears that the baseplate is part of the main body. There are two small adjustment screws located midpoint of the main body just under the top of the carburetor. For the best experience on our site, be sure to turn on Javascript in your browser. The -6AN fuel inlets can be moved to either right or left side. The booster stake pin needs to be removed and replaced with the new boosters. Edelbrock VRS-4150 Race and Performance Carburetors, Carburetor, VRS-4150, 850 cfm, 4-Barrel, 4150 or 4500 Flange, Manual Choke, Annular Boosters, Satin, 4-Corner Idle, TPS Provision, Each by Walter R. Malik Wed Jun 22, 2022 11:00 am, Post or like everything else these day will cost too much to market this. } They didnt give me a script they didnt give me any parameters other than I had to call it by its name which is a VRS! The floats have corner cuts to avoid shutting off the fuel flow during hard cornering, and jet extender notches and jet extenders in the rear to keep the jets covered in fuel under hard acceleration. Stay Updated with Emails from Summit Racing. Edelbrock VRS-4150 Race & Performance Carburetor #1306 650 CFM is street friendly but race ready. 13104, 13105, and 13106)., By design, the bottom of our standard booster is even with the bottom edge venturi of the carb. We use cookies to provide you with the best possible user experience. One was the VRS-4150 with a video and pdf. JavaScript seems to be disabled in your browser. Multiple vacuum hook-ups keep this carburetor usable on the street but still ready for the track with larger capacity fuel bowls and four circuit billet metering blocks with screw-in emulsion bleeds. $5 Off Your $100 Mobile App Purchase - Get the App. Beyond the four circuits, there are many more interesting details to be found in Edelbrock's VRS-4150. } } In the old days of carbureted NHRA Pro Stock racing, Warren Johnson once told us he spent weeks finalizing the fuel curve on the dyno for his 500ci engines. by Justa1time Tue Feb 22, 2022 11:02 pm, Post width: 100%; We are happy here, safe AFR and flat tq. Estimated International Ship Date: Check the Fit, Estimated USA Ship Date: This is a custom order part. } We use cookies to provide you with the best possible user experience. Today, The new line of Edelbrock VRS-4150 Race and Performance carburetors are packed with features that will appeal to racers, engine builders and carb tuners, as well as the hot street enthusiast looking to improve performance. The VRS-4150 is the all-new, highly-adjustable, four-barrel carburetor from the design team at Edelbrock. Ok, I didn't realize it was dimensionally that different from a traditional 4150. Might be trying to get it down to 20 tunable bleeds per metering block We can answer any of your tech inquiries! WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. #gallery-1 { again people who know aftermarket carburetors and have gone from a single dog leg to an annular booster carburetor know what that does and know how that improves the throttle response and the snappiness and its on all four corners now! Last weekend I was at the big local car show and Edeljunk had their display booth there. These will be available in 30 days. The 20% larger capacity fuel bowls feature internal ribs to control fuel slosh, and a sculpted baffle directs incoming fuel to the sides to minimize bubbles. IDEAL FOR RACE & PERFORMANCE APPLICATIONS! 1221) air cleaner can help in tight situations., #gallery-4 { Straight out of the box with one jet change, this 750cfm VRS made the best HP and TQ Show more. This photo shows the pinned shafts that all production carburetors will feature. There are several boosters to choose from and they are easy to change by removing these booster stakes (arrows). - https://www.instagram.com/muscle_car_solutions/Wanna buy me a beer? https://www.patreon.com/musclecarsolutionsNew video cam! Gallery: Wicked Wedge of The South 535ci Stroker Bottom End Gallery: Bulletproofing a 727 Torqueflite With TCI Auto, Directly Connected Partners With Mike Petralias Hardcore Horsepower. Vic Edelbrock Sr, and Jr, are both rolling over in their graves. However, the metering block gaskets (part no. Straight out of the box with one jet change, this 750cfm VRS made the best HP and TQ this motor has seen, beating a race tuned Holley/Pro-Form 830cfmEdelbrock is letting us be a distributor!!!! Monday 3/6/2023 The fuel bowls include a separate fuel-drain fitting, and another obvious difference are the small adjustment screws in the middle of the carburetor body, just below the rim. To paraphrase a line attributed to author Samuel Clemens (better known as Mark Twain), the rumors of the carburetor's demise have been greatly exaggerated. A street throttle arm, PTFE-coated throttle shafts and built-in provisions for a standard GM three-wire TPS mount add features to this carburetor that are ideal for any user. it is a new platform. So if we add up all the circuits, we now have a total of four circuits: idle, intermediate, a low-speed metering, and a high-speed main metering. They handed this to me and just said its yours do whatever you want with it. In this photo, we've used an adjustable-length billet fuel line from Aeromotive. | Our 750 and 850 come standard with annular discharge boosters. MEET THE VRS-4150 SERIES CARBURETOR AVAILABLE IN 650 CFM | 750 CFM | 850CFM | 950 CFM FOR RACE AND PERFORMANCE APPLICATIONS EDELBROCK VRS-4150 CARBURETOR GUIDE The store will not work correctly in the case when cookies are disabled. The store will not work correctly in the case when cookies are disabled. They are available in 650, 750, 850, and 950 cfm models, select the model suited to your application needs. by 1980RS Tue Jun 21, 2022 6:10 pm, Post Please note that Checkout Prices will be in US Dollars. One final feature is the power valves that are located on both primaries and secondaries that support optimized jetting. The power valve will add fuel as necessary while the power valve protection circuit prevents diaphragm damage from backfires. The idle set screw had the idle at 900rpm, no adjustment done. Probably would be even more sensitive to temp changes. Above Right:The carburetors have larger fuel bowls,an extended height, easy idle speed adjustments, and many more innovative items. Im a Street/Strip guy.. like to think outside the quadrilateral parallelogram. Edelbrock VRS-4150 Race and Performance Carburetors 1306 Carburetor, VRS-4150, 650 cfm, 4-Barrel, 4150 or 4500 Flange, Manual Choke, Annular Boosters, Satin, 4-Corner Idle, TPS Provision, Each Part Number: EDL-1306 Not Yet Reviewed Estimated Ship Date: Today Free Shipping $789.95 Add To Cart Compare Wish List Normally found only in high end racing carbs, the VRS includes fully adjustable intermediate fuel circuits, which help to provide incredible throttle response. See if you Prequalify. } Sign up for a free trial to MotorTrend+ today. With the new VRS series, users are able to externally adjust idle air and the adjustment screws are accessible without removing the air cleaner/scoop. The VRS-4150 carburetors are street friendly but race readyand the one-piece, cast aluminum bodies fit all 4150 and 4500 carb flange manifoldswithout requiring an adapter plate. I'm so stoked to be able. This increases structural integrity, requires fewer parts, and eliminates the gasket between the main body and the throttle plate. Next, we test a low-rpm cam and a high-rpm cam in the same engine to demonstrate the power differences. Despite the fact that we're well into the second decade of the 21st century, carburetors are still very much en vogue on both sides of high-performance, the street and the racing scene. Edlebrock VRS-4150 Series Race and Performance Carburetors suit a variety of applications from street cruisers to performance track use. Estimated International Ship Date: Chris owns a '67 Dart, a '75 Dart, a '06 Charger, a '12 Cummins turbo diesel Ram, and he is a multi-time track champion (drag racing) with his '69 340 Dart, which he has owned 33 years. The carburetors are available in 650-, 750-, 850-, and 950-CFM models to meet the airflow requirements of any engine. Re: What Happened to Edelbrock's new VRS-4150 Carburetor? By continuing to use our site, you agree to their use. By continuing to use our site, you agree to their use. Proper idle mixture is accomplished with four-corner idle circuits adjusted with bleeds and mixture screws. To learn more, view our By continuing to use our site, you agree to their use. As the fuel level in the float bowls drops during a full-throttle dragstrip pass, for example, these bleeds are uncovered, which introduces air into the main metering circuit from the high-speed bleed. float: left; What material is the main body/baseplate? Decrease Quantity: Increase Quantity: Add to Cart. All rights reserved. Part Number: EDL-1307. explains cam lift, duration, lobe separation angle, and installed centerline. Our photos are of an early-production 750-cfm model that includes annular boosters, but there is a drop-leg standard booster also available, and the boosters are designed to be easily replaced. #gallery-1 img { } and 0.670-inch outside diameter (o.d.) Edelbrock also offers the ability to choose between 0.140, 0.0150, and 0.160-inch booster feed sizes. Above: This is the first of two labeled views Edelbrock provides of their VRS-4150 carburetors. margin: auto; The air bleeds are 10-32 threads. margin-left: 0; To protect the power valve against damaging backfires, Edelbrock included built-in power valve protection. It's an impressive piece of engineering, but considering how easily a double pump 750 can be dialed in, I dont know if all the extra tuning is real-world beneficial. The floats have corner cuts to avoid shutting off the fuel flow during hard cornering, and jet extender notches and jet extenders in the rear to keep the jets covered in fuel under hard acceleration. As mentioned earlier, Edelbrock calls this a four-circuit carburetor. /* see gallery_shortcode() in wp-includes/media.php */. We use cookies to provide you with the best possible user experience. Edelbrock VRS-4150 Race and Performance Carburetors 1306 Carburetor, VRS-4150, 650 cfm, 4-Barrel, 4150 or 4500 Flange, Manual Choke, Annular Boosters, Satin, 4-Corner Idle, TPS Provision, Each Part Number: EDL-1306 Not Yet Reviewed Estimated Ship Date: Today Free Shipping $789.95 Add To Cart Compare Wish List margin: auto; Face Book: https://www.facebook.com/RileysJeepProject/Shopify: https://rileysrebuilds.myshopify.com/collections/allThe Dyno testing was at VAMI Venice Auto Marine. Above:Edelbrocks all-new VRS-4150 Race and Performance Carburetor line advances carburation into the 21st century. Get in touch today to request a quote. Chris has been a college professor for 24 years; the last 19 spent at Pennsylvania College of Technology in Williamsport, PA. During the day Chris instructs automotive HVAC and electrical/electronic classes, and high-performance classes, which include the usage of a chassis dyno, flow benches, and various machining equipment. Cookie Policy. } With the new VRS Series carburetors many attributes, they make for easy tuning and great versatility in many applications. Funny this comes up again. And because their car people they built it on a platform where you can use all your jets and power valves and squirters and accelerator springs and gaskets, that will all work on this new carburetor. They are making a 4150 carburetor! Additionally, for those that require throttle angle computer feedback, the carburetor body has a provision for a standard GM 3-wire throttle position sensor (TPS), which Edelbrock sells separately (part no. Find out all the details of this new race and street carburetor. The fuel floats were perfect and it fired off instantly. We can answer any of your tech inquiries! } To learn more, view our Sep 4, 2022. However, Edelbrock says that this carburetor can be successfully employed on the street with the right amount of knowledgeable tuning. Some race carburetors add a third called an intermediate circuit. margin: auto; The metering block emulsion bleeds are 6-32 threads, and the fuel jet threads are -32. All of this makes for easy tuning and great versatility in many applications. We pride ourselves in ensuring all products are Edelbrock VRS-4150 Race & Performance Carburetor #1307 is race ready with four circuit billet metering blocks for full tuning capability and street friendly with a universal fit throttle arm, vacuum fittings and provisions for a TPS sensor. Easier to convince a teenager they dont need WiFi than find where to buy. Edelbrock has put millions of dollars into developing a 4150 that has all of the features of the best aftermarket 4150 and Dominator performance carburetors and the ease of use of the best street rod carburetors. by Seanh832 Tue Jun 21, 2022 1:49 am, Post AVAILABLE IN 650 CFM | 750 CFM | 850CFM | 950 CFM FOR RACE AND PERFORMANCE APPLICATIONS. The VRS-4150s have billet four-fuel circuit metering blocks, an intermediate circuit on both the primary and secondary bores, and a split high-speed main circuit, allowing greater high RPM bleed control. Post #gallery-3 .gallery-caption { #gallery-2 .gallery-item { The Edelbrock VRS-4150 Carburetors features a street throttle arm, PTFE-coated throttle shafts and built-in provisions for a standard GM three-wire TPS mount add features to this carburetor that are ideal for any race or ultra high-performance applications.

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