It is very easy to test the function of the accelerator pump. Start the engine, and warm to normal operating temperature. Shut off the engine. Remove the air cleaner. The choke butterfly should be fully open, as the engine is warm. Observe the pump jet in the carburetor, and with your hand, work the carburetor throttle to the wide-open position.Carburetor Accelerator Pump Covers. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 17 of 17 25 Records Per Page Default Sort . Holley Accelerator Pump Covers 26-140. Holley Accelerator Pump Covers 26-140 ...Accelerator Pump Diaphragm; Dorman's Carburetor Accelerator Pump Diaphragms are suitable for a range of carburetors. They're constructed from high-quality materials for long-lasting service. Returns the engine to smooth operation. Conveniently designed to fit differently sized carburetors. Manufacturing materials include durable steel.Holley Accelerator Pump Diaphragm - 135-10 Part # 135-10 Line: HLY. Details Product Information. Warranty: 90 Day Limited Warranty; Unit of Measure ... Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well …1. Location. Roanoke, Virginia. Dec 5, 2018. #1. Hello, So I am rebuilding my carbs on my '81 CB750F and when I disassembled my carbs I decided to check the accelerator pump. Little to my surprise I had a tear in the diaphragm. So I ordered a new pump assembly and when it came it had a black pump piece that was not in my carbs.Hitachi Carburetor Accelerator Pump Boot G477F; Hitachi Accelerator Pump Boot G477F . Hitachi Carburetor Accelerator Pump Boot G477F. Your Price: $2.95. Overall length = .87" (7/8") Outside Diameter = .53" Part Number: G477F. Availability: In Stock * * …Autolite 1100 Accelerator Pump. Watch a video about the 1100 accelerator pump: Accelerating Pump System. Smooth acceleration requires a momentary increase in the supply of fuel. The air flow through the carburetor responds almost immediately to any increase in carburetor throttle valve opening. The fuel within the metering passages will …The Accelerator Pump is activated by the Throttle Linkage. This linkage pushes the Accelerator Pump Diaphragm through a rod connected to the Diaphragm. A spring ...https://www.carburetor-parts.com is happy to provide this free video about testing the accelerator pump circuit in the Rochester 1 barrel carburetor.This video illustrates the accelerator pump circuit: YF Accelerator Diaphragm For Limited Carb Numbers. YF & YFA Carburetor Kits. If you aren’t getting a good squirt then you will have to look further. Remove the carburetor from the engine. Remove the carburetor top. Remove the check weight and/or check ball from the main …Edelbrock 1982 Carburetor Accelerator Pump $ 43. 99. Part # 1982. SKU # 54521. Free In-Store Pick Up. SELECT STORE. Home Delivery. Standard Delivery. Estimated delivery Feb. 21. Add TO CART. Sponsored. Holley 50cc Accelerator Pump Conversion Kit. Sponsored. Holley 50cc Accelerator Pump Conversion Kit $ 76. 49. Part # 20-11. SKU # …Accelerator Pump Primary; Refer To OE Interchange Carburetor Number To Verify All Components; Carburetor Manufacturer: Carter 2BBL; Carburetor Model: BBD. 1 Year Limited Warranty. Carburetor Type: 2BBL. Carburetor Make And Model: BBD. Shop for the best Carburetor Accelerator Pump for your 1979 Jeep CJ7, and you can place your …Replate Late Carburetor Accelerator Pump Arm-Yellow replate. The linkage that pushes the accelerator pump. Fits late Honda N600 sedans and all Z600 Co.Description. Carburetor accelerator pump return spring used on several different carburetor types. This accelerator pump return spring is made in the US and is of high quality. This is the return spring that fits under the accelerator pump stem and is used to help push the accelerator linkage back to to it's original position.In these days when our cars run with computerized efficiency, people don’t have to think too much about how their engines work. But when you do consider what it takes to get you fr...Carter WA-1 Carburetor accelerator pumps. Ethanol ready leather cups, US manufactured. Complete rebuild kits and other individual parts are available through our online catalog. ... WE Accelerator Pump - Leather - AP361. In Stock. Cup 3/4" x Length 2.530" Part Number AP361 (7) $29.95. Add To Cart. Item In Cart. Carter WA-1 Accelerator Pump 2 ...Now you can turn your attention to the accelerator pump. Even with correct jetting, carburetor performance will be poor if the accelerator pump nozzle (squirter) diameter is incorrect. If a car is …Jan 4, 2020 · There is an accelerator pump on many Dellorto carbs and they are often set up incorrectly.This video shows the workings of the pump, what to check for, and h... Nov 16, 2021 · AP327 – 2.851. AP462 – 2.776. Our premium kit K1141 includes the replaceable cup for this type of accelerator pump and the cup works for both round shaft pumps. This pump uses a return spring 66-15. and a delayer spring 66-44. Some of the Rochester B’s with the round shaft had a leather cup. This cup cannot be replaced with the rubber cup. Dorman Products - 90082 : Accelerator Pump Diaphragm. Our Carburetor Accelerator Pump Diaphragms are suitable for a range of carburetors.Hydraulic Pumps - Hydraulic pumps are capable of pushing large amounts of oil through hydraulic cylinders. Learn about hydraulic pumps and hydraulic pump capabilities. Advertisemen...Holley(R) has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. How the accelerator pump works on the Holley 94, 2100 & 2110 2 barrel carburetor?Parts for this carburetor can be found at: https://www.carburetor-parts.com/...16 Jul 2021 ... carburetor, and provides your engine with extra fuel during acceleration. Here is a video of a properly working pump being testing by pumping ...The Edelbrock accelerator pump doesn't get the right attention and sometimes doesn't get any attention. But its the place to start when tuning an Edelbrock ...How to adjust the accelerator pump on a Kehin FCR Carburetor.-----Check out the ...Edelbrock 1982 Carburetor Accelerator Pump $ 43. 99. Part # 1982. SKU # 54521. Free In-Store Pick Up. SELECT STORE. Home Delivery. Standard Delivery. Estimated delivery Feb. 21. Add TO CART. Sponsored. Holley 50cc Accelerator Pump Conversion Kit. Sponsored. Holley 50cc Accelerator Pump Conversion Kit $ 76. 49. Part # 20-11. SKU # …Restricted fuel delivery and malfunctioning spark plugs are the most common reasons for cars to hesitate during acceleration. The first step to identifying the cause of this is to ...Removing Accelerator Pump. Slide the accelerating pump assembly out of the main body casting. Depress the pump spring and washer and separate the pump operating rod from the pump piston assembly. Remove the spring and washer. Remove the pump operating rod felt retainer and felt. AA1, 94 Carburetor Manual. Updated on …Genuine Holley 135-7 Carburetor 50cc Accelerator Pump Diaphragm Fits Holley Model 2300-4150- 4160-4500/4700 2 & 4 bbl Carburetors Sold as Each Compatible with ...Accelerator pump itself may be bad. The cup curled, or is damaged. Some chemicals added to the fuel, or left in the carburetor can cause this. Letting the engine sit for months at a time is a sure way to damage the pump cup. Do a quick test of the accelerator pump circuit. The pump passage way to the main discharge may be plugged.Replate Late Carburetor Accelerator Pump Arm-Yellow replate. The linkage that pushes the accelerator pump. Fits late Honda N600 sedans and all Z600 Co.8 Sept 2010 ... I thought the throttle shaft was worn I sprayed a little carb cleaner around the shaft and it ran better. With the price of rebuild kits for ...Last updated on 02/22/2022. Prevent engine sputtering by learning how to properly tune your Holley -style four-barrel carburetor’s accelerator pump. Watch this 7-minute video and learn everything you’ll need to know to achieve smooth, consistent launches at the track, and the pedal response you seek on your next drive.Aug 27, 2021 · Autolite 4100 Accelerator Pump Diaphragm. The Elastomer Valve (or as we call it Umbrella Check is used to control gas intake to the diaphragm and the discharge. When the throttle is let up, the diaphragm creates a sort of suction which pulls open the Elastomer valve and allows the diaphragm reservoir to fill up. When you press on the throttle ... This is a mechanical secondary carburetor with accelerator pumps on both the primary and secondary sides- often referred to as a double pumper. The stock primary accelerator pump nozzle size on this …Dec 2, 2009 · Footage taken from Holley Carburetor Installation & Tuning DVD Jan 4, 2016 · An accelerator pump is a component on a carburetor. It is commonly found on many older vehicles that are equipped with carburetors. The accelerator pump is responsible for providing the momentary additional fuel needed under heavy acceleration conditions. 64-70-1. Line: WLK. Check Vehicle Fit. Accelerator Pump Primary; Carburetor Manufacturer: Holley 1BBL; Carburetor Model: 1904. 1 Year Limited Warranty. Carburetor Type: 1BBL. Carburetor Make And Model: 1904, 1920. Shop for the best Carburetor Accelerator Pump for your 1964 Ford Galaxie 500, and you can place your order online …I replace the bad accelerator pump in the driver's side primary carburetor. ... Hard Sell Hote... I replace the bad accelerator pump in the driver's side primary carburetor. Part:Clark's ...Nov 16, 2021 · AP327 – 2.851. AP462 – 2.776. Our premium kit K1141 includes the replaceable cup for this type of accelerator pump and the cup works for both round shaft pumps. This pump uses a return spring 66-15. and a delayer spring 66-44. Some of the Rochester B’s with the round shaft had a leather cup. This cup cannot be replaced with the rubber cup. Rochester B, BC, BV Accelerator Pump. The later Rochester B, BC, BV carburetors used a replaceable cup. In rare cases the carburetor may have a pump …3 Jan 2021 ... Accelerator pumps are common on small Stihl pro chainsaws. They came about many years ago in response to emission regs... the carb didn't need ...Edelbrock accessories including valve and coil covers, air cleaners and breathers will ensure that your engine looks as good as it performs.17 Aug 2022 ... Thanks for the input! Really appreciated. Save Share. Reply Quote ...Upgrade your Rochester 4G/4GC carburetor with our new high performance ethanol resistant Four-Jet accelerator pump assemblies and accelerator pump cups. Note: There are several versions of ethanol "Blue" accelerator pump cups, we only sell the ones that work the best. There are 2 different diameter accelerator pump cups 21/32" and 3/4". This item: S&S Cycle Accelerator Pump Kit For Carbs 11-2918. $2950. +. Carburetor Carb Rebuild Kit Compatible With S&S Master Super E 11-2923 Carburetor Rebuild Set Replacement Gaskets O-rings. $2469.Restricted fuel delivery and malfunctioning spark plugs are the most common reasons for cars to hesitate during acceleration. The first step to identifying the cause of this is to ...16 Jul 2021 ... carburetor, and provides your engine with extra fuel during acceleration. Here is a video of a properly working pump being testing by pumping ...It is very easy to test the function of the accelerator pump. Start the engine, and warm to normal operating temperature. Shut off the engine. Remove the air cleaner. The choke butterfly should be fully open, as the engine is warm. Observe the pump jet in the carburetor, and with your hand, work the carburetor throttle to the wide-open position. Check Valve Kit for Keihin FCR & FCR-MX Carburetors. Compatible with Venturi Spray Nozzle & Accelerator Pump circuit. Write a review. Your Name ... * KEIHIN FCR & FCR-MX Carburetor / Venturi Spray Nozzle & Accelerator Pump / Check Valve Kit. Brand: KEIHIN; Product Code: CHECK VALVE / FCR & FCR-MX; Availability: In Stock; $15.99; …2 Apr 2020 ... If the leak is at the bottom of the accelerator pump (below the lever) cover, then the accelerator pump is leaking and needs replacement. Or ...How the accelerator pump works on the Holley 94, 2100 & 2110 2 barrel carburetor?Parts for this carburetor can be found at: https://www.carburetor-parts.com/...Jan 15, 2021 · The accelerator pump circuit resides on the primary side of this carburetor. This circuit provides a measured amount of fuel when needed on acceleration until the vacuum and main circuit can take over. This eliminates any bog or hesitation when acceleration. When closing the throttle, the accelerator moves up in the pump well. In this lesson, we cover the accelerator pump. This will lead us to the setup and drilling of the throttle shafts. Putting in all of the jetting, and finally, the discharge …Diaphragm spring for the Motorcraft 2100 & 4100, 2 barrel carburetor. Made in the US. We carry springs for most carburetors. Contact Us; Home; Blog; FAQ's; Technical Help; My Account; Login Register. Examples of Carb Numbers. ... Accelerator Pump Diaphragm Spring 66-439 . Accelerator Pump Diaphragm Spring 66-439. 14 Review(s) 5 0 5. Your …Motorcraft 2100 Diaphragm. Part Number AP279. $9.95. Add To Cart. Motorcraft Fast Idle Lever 85-100B. New Motorcraft choke lever. These are plastic levers that fit over the choke shaft, has a threaded hole for the fast idle screw and a hole for the choke rod. High quality, made in the USA. Part Number 85-100B.... pump cover to the carb? 2. I found a black diaphragm and a pump body(?) gasket (the second gasket that fits after the spring/diagram towards ...ADD TO CART. $19.99. Edelbrock Carburetor Accelerator Pump #1470 for Performer and Thunder Series AVS. Part # 1470. Excluded from discounts. (1 review) The closer your accelerator pump jet is to being too large, the larger the discharge valve required. The closer the jet is to correct, the smaller the valve required. These valves are used in the Weber DCOE and IDF series, as well as both the 48 IDA (Dual) and the 40/46 IDA (Triple) carburetors. They do not fit any other brand or model.Removing Accelerator Pump. Slide the accelerating pump assembly out of the main body casting. Depress the pump spring and washer and separate the pump operating rod from the pump piston assembly. Remove the spring and washer. Remove the pump operating rod felt retainer and felt. AA1, 94 Carburetor Manual. Updated on …Last updated on 02/22/2022. Prevent engine sputtering by learning how to properly tune your Holley -style four-barrel carburetor’s accelerator pump. Watch this 7-minute video and learn everything you’ll need to know to achieve smooth, consistent launches at the track, and the pedal response you seek on your next drive.Accelerator Pump Return Spring 66-15. $4.25. Holley & Rochester Delayer Spring - 66-44. $3.95. Accelerator Pump Delayer Retainer 85-93. $1.95. Accelerator Pump Bore Polishing Crocus Cloth CC2. $4.95. Ethanol Defense ED16.The engine is equipped with a 4 barrel Rochester carburetor (P/N 1347-8296). The repair facility told me that the carb's accelerator pump was sticky and diluted the oil with fuel, causing the engine to overheat and seize. The accelerator pump is only operational during a change in throttle plate position from low speed to high speed.The Accelerated Reading (AR) program encourages students to read on their own, at their own pace. It’s used in public and private schools, from kindergarten through high school, th...May 28, 2023 · Tuning the accelerator pump circuit on a 4150 and 4160 style carburetor isn't complicated, but a few of the parts in the process draw lots of confusion or mi... In these days when our cars run with computerized efficiency, people don’t have to think too much about how their engines work. But when you do consider what it takes to get you fr...Frequently bought together. This item: Holley 135-10 Carburetor Diaphragm. $1256. +. Holley 108-200 Metering Block/Fuel Bowl Gasket Pack. $1695.Replate Late Carburetor Accelerator Pump Arm-Yellow replate. The linkage that pushes the accelerator pump. Fits late Honda N600 sedans and all Z600 Co.Accelerator pump itself may be bad. The cup curled, or is damaged. Some chemicals added to the fuel, or left in the carburetor can cause this. Letting the engine sit for months at a time is a sure way to damage the pump cup. Do a quick test of the accelerator pump circuit. The pump passage way to the main discharge may be plugged.Mar 13, 2022 · 1940 Pump Shaft. AMERICAN MOTORS, FORD, FORD TRUCK, JEEP, MERCURY 1962-77 Pump cup 11/16″ TESTING YOUR ACCELERATOR PUMP CIRCUIT Testing your accelerator pump circuit. Carburetor Accelerator Pump Covers. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 17 of 17 25 Records Per Page Default Sort . Holley Accelerator Pump Covers 26-140. Holley Accelerator Pump Covers 26-140 ...Carter AFB 4 Barrel Carburetor Accelerator Pump AP156. 11/16" x 2.411. Part Number AP156. $24.95. Add To Cart. Carter AFB, 4 Barrel Accelerator Pump AP464. 13/16" x 2.570". FEATURES: Delayer spring and retainer US manufactured Ethanol ready. Part Number AP464.Holley 2245 2 Barrel Accelerator Pump. The hole in the bottom of the pump well is the discharge hole and does not use a check ball. Fuel travels from the pump well out the discharge hole to the main discharge hole. The intake of fuel is fed through the cutout on the side of the pump well. There are 2 small passages that feed the main …Jul 28, 2015 · The stock accelerator pump on a 4150-style carb has a capacity of 30 cc for ten strokes of the pump. On Dominator-style carbs, the pump capacity is 50 cc for ten strokes. Although rarely necessary, the bigger pump can be installed on a 4150-style carb by using Holley’s conversion kit (PN 20-11). Jul 20, 2007 · carburetor tuning and adjustments. video. How-to adjust the accelerator pump on Holley carburetors to avoid stumbling and hesitation upon acceleration. Tips include: How to check for the clearance between the accelerator pump diaphragm arm & operating lever; how-to select the correct accelerator pump nozzle size, and accelerator pump cam ... Nov 21, 2004 · Frequently bought together. This item: Edelbrock 1470 Accelerator Pump Assembly Kit. $1979. +. Genuine Edelbrock 1477 Carburetor Rebuild & Maintenance Kit for All Edelbrock Square-Bore Carbs. $5399. +. Edelbrock 1469 Carburetor Float Kit. $2199. Jan 30, 2007 · This item: S&S Cycle Accelerator Pump Kit For Carbs 11-2918. $2950. +. Carburetor Carb Rebuild Kit Compatible With S&S Master Super E 11-2923 Carburetor Rebuild Set Replacement Gaskets O-rings. $2469. Jul 28, 2015 · The stock accelerator pump on a 4150-style carb has a capacity of 30 cc for ten strokes of the pump. On Dominator-style carbs, the pump capacity is 50 cc for ten strokes. Although rarely necessary, the bigger pump can be installed on a 4150-style carb by using Holley’s conversion kit (PN 20-11). Jun 2, 2020 · How To Set & Tune Holley Carburetor Accelerator Pump Circuits. This video takes you through basic accelerator pump arm setup techniques and then looks at tu... To provide a better shopping experience, our website uses cookies. Continuing use of the site implies consent. ×. Search. Log in; Sign up. Cart.Buy Carburetor Diaphragm Accelerator Pump For Keihin Fcr 28 32 33 35 37 39 41 DRZ400 YZ400F CRF150RB CRF150R CRF450X CRF250X at Aliexpress for .Find Edelbrock Carburetor Accelerator Pumps and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 15% back - Get Details! ... Accelerator Pump, Marine, Seal, Spring, Cup Assembly, for Edelbrock Performer Marine 1409 and 1410 Carbs, Kit. Part Number: EDL-1471.The Accelerator Pump pumps in this needed extra fuel. The Accelerator Pump is activated by the Throttle Linkage. This linkage pushes the Accelerator Pump Diaphragm through a rod connected to the Diaphragm. A spring pushes the Diaphragm. This causes a chamber below the Diaphragm to fill with gas, from the float bowl, through a one-way …Accelerator pump replacement in a 1974 Ford F100 with a 2150 carb. This will be almost identical for the 2100 carb and many other carburetors. ... This will be almost identical for the …Carburetor Accelerator Pumps Filter By Brands Dorman HELP! 1 - 24 of 44 results for Carburetor Accelerator Pumps Compare All Pick Up in Store Ship to Home Sort By: Compare Dorman HELP! Accelerator Pump Diaphragm - 90082 Part #: 90082 Line: MTM 1 Year Limited Warranty Quantity: 1 Thread Size: M14-1.50 Compare
Edelbrock - Testing Accelerator Pump and Bog Troubleshooting How to test your accelerator pump before installing on the engine. Find out if your hesitation,.... Ucl draw
Carburetor Accelerator Pump Covers. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 17 of 17 25 Records Per Page Default Sort . Holley Accelerator Pump Covers 26-140. Holley Accelerator Pump Covers 26-140 ...Autolite 4300 Accelerator Pump. The accelerator pump stroke has 3 possible adjustments depending on the ambient temperature. The center hole is for normal operations and by default you should use this hole. Hole 1 will decrease the fuel quantity – Use for hot weather.Hole 3 will increase the fuel quantity – Use for cold weather.Dec 7, 2021 · Testing the accelerator pump circuit on a Rochester 2 Jet carburetor. This article only refers to the type of 2 jet that uses a check ball in the bottom of the pump well. Not all carburetors do. When rebuilding your 2 jet you may want to test the accelerator pump circuit before closing up the carburetor. Here are the steps you need to take. Demon Carburetion offers their accelerator pump diaphragms for all of their carburetors. They are manufactured from quality materials to ensure that the job is done right and help to keep your carburetor functioning like new. The diaphragms are available in your choice of 30cc or 50cc to fit your specific carburetor setup. WarrantyPumped-Storage Plants - Pumped-storage plants have two reservoirs that are used to store more water for peak hours. Learn about pumped-storage plants and the hydropower plant gener...Quick Fuel Accelerator Pump Kits 21-105QFT. Accelerator Pump Kit, 30cc, Quick Fuel, Q-Series, Professional Series, Each. Part Number: QFT-21-105QFT. Not Yet Reviewed. Estimated Ship Date: Today. Apr 13, 2022 · These will have 2 accelerator pumps. Possible issues: Main discharge could be missing the check valve (check ball, or check weight) Passage from the pump well to the main discharge may be plugged. Accelerator pump well may not be filling up completely. Check valve is dirty, or missing (check ball usually). Some carburetors don’t use a check ... Is your Accelerator Pump Working? Warm your engine up. Remove the air cleaner. Turn the engine off. Make sure the choke valve is open. Look down the …Feb 6, 2021 · Removing Accelerator Pump. Slide the accelerating pump assembly out of the main body casting. Depress the pump spring and washer and separate the pump operating rod from the pump piston assembly. Remove the spring and washer. Remove the pump operating rod felt retainer and felt. AA1, 94 Carburetor Manual. Updated on 02/06/2021. In today’s fast-paced world, time is of the essence. Many individuals are looking for ways to advance their careers without sacrificing their current commitments. This is where acc...Pump Stroke Adjustment. More or less pump stroke is adjusted by attaching the pump rod to one of the holes in the throttle pump lever. They are numbered from 1-4 starting at the bottom. Find your number in the list provided on the instruction sheet included with your carburetor kit. If you can’t find the number, use position #3.Standard Ignition Carburetor Accelerator Pump Plunger Kit - C64-393. Part #: C64-393. Line: STD. Limited Lifetime Warranty. Carburetor Make And Model: Carter, Holley 2BBL. Compare.If you are a vintage car enthusiast or a collector, chances are you have come across old Tecumseh carburetors. These carburetors were widely used in the mid-20th century and are hi...Demonstrating how I replace an accelerator diaphragm pump in a Motorcraft 2100v carburetor.IIf you enjoy the content and work I put into making my videos, pl... In today’s fast-paced world, many individuals are seeking ways to advance their careers and education without sacrificing valuable time. One option that has gained popularity in re...Accelerator Pump Primary; Refer To OE Interchange Carburetor Number To Verify All Components; Carburetor Manufacturer: Ford 1BBL; Carburetor Model: 1100. 1 Year Limited Warranty. Carburetor Type: 1BBL. Location: Accelerator Pump. Carburetor Make And Model: Ford, 1100. Shop for the best Carburetor Accelerator Pump for your 1966 …Carburetor Make And Model: M4ME, E2ME, M4MC, M2ME, E4ME, M4MED, M4MEF, E4MED, M4MEA, 4MC. 1. 2. 3. 4. 5. 6. Last. Shop for the best Carburetor Accelerator Pump for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Last updated on 02/22/2022. Prevent engine sputtering by learning how to properly tune your Holley -style four-barrel carburetor’s accelerator pump. Watch this 7-minute video and learn everything you’ll need to know to achieve smooth, consistent launches at the track, and the pedal response you seek on your next drive.Holley Accelerator Pump Diaphragms 135-5. Accelerator Pumps, Diaphragm, Rubber, Gasoline, 30cc, Barry Grant, Demon, Holley, Each. Part Number: HLY-135-5. ( 23 ) Estimated Ship Date: Monday 2/19/2024. Add To Cart. This product may not be eligible for select promotional offers. Compare. Wish List.17 Aug 2022 ... Thanks for the input! Really appreciated. Save Share. Reply Quote ....