SPECIALS

The original EZ-Just® mixture screw for Harley CV carburetors adjusts the air idle mixture. Easily tune and adjust your idle mixture without burning your hands or fumbling with a screwdriver. CV Performance has exclusively provided Harley riders with the EZ-Just® for over 30 years. Special through - only $19.95 --> There is only one original EZ-Just®Beware of cheap import knock offs! Read more below.  Compatible with all Harley CV style carburetors and replaces the stock mixture...

ThunderCore Pro Spark Plug Wire Set for HarleyThe new ThunderCore Pro plug wires are the ideal performance replacement wire set for your Harley. Precision manufactured from premium components and made in the USA. Available for most Harley models including Shovelhead, Evo, Twin Cam, Milwaukee 8, and Sportsters*Performance quality 8.65 mm wire set. New for 2023 8.65mm Premium MAG Plug WiresClass E Silicone Jacket / EPDM Inner Wire ConstructionOperating Temperature Resistance Exceeds...

Introducing our exclusive Basic Renewal Kit for 92-06 Harley CV style carburetors. The kit contains the most commonly replaced quality seals needed to renew your Harley CV carburetor. For use with all 1992-2006* Big Twin and XL models using the late model Harley CV 40 carburetor. SALE - only $16.95 CVP Accelerator Pump Diaphragm- Superior material outlasts many other diaphragms.- Resists the harmful effects of modern pump gas.- Replaces OEM 27361-76A Float needle...

Complete vacuum slide assembly for Harley CV carburetors. Replaces original H-D p/n #27585-88 on CV40 carburetors. Slide replacement is recommended when the diaphragm eventually becomes pinched or torn, or if the vacuum port hole has been modified by drilling 1/8" or larger causing drivability problems. Also available in a heavy duty version slide - with a heavy duty diaphragm. Fits all Harley CV 40 carburetors: Big Twin 1989-2006 or Sportster 1988-2006. Not for use on other Keihin CV...

Introducing our exclusive Basic Renewal Kit for early model 89-91 Harley CV style carburetors. The kit contains the most commonly replaced quality seals needed to renew your Harley CV carburetor. For use with 1990-1991* FL/FX Big Twins and 1989-1991 XL models using the early model Harley CV 40 carburetor with 2-piece bowl seals (see photo). Spring Special - only $17.95 CVP Accelerator Pump Diaphragm- Superior material outlasts many other diaphragms.- Resists the harmful effects...

CVP's exclusive Harley Accelerator Pump Diaphragm replaces worn or cracked diaphragms on Harley CV and Harley Keihin butterfly carburetors. Perfect fit, no more stretching or misaligned seals. Greater resistance to mild fuel additive exposure commonly found in pump gas. Will outlast many standard diaphragms when minimal Ethanol* enhanced fuel is occasionally used. Will fit on both stock Harley carburetors and S&S Super E or G.--> Sold individually, diaphragm only. Replaces Harley p/n...

Accelerator pump O-Rings for 1976-2006 Harley carburetors. Replaces OE p/n 27360-76. Includes 2 flat side O-Rings (also called U-Rings). For use with 1976-2006 Big Twins and XL Sportster models using the Harley CV 40 or early "butterfly" style carburetor. Special - only $4.75 Includes 2 O-Rings. Some models use a single o-ring while newer models use two seals. This kit will cover both versions. We recommend Synthetic Lube when replacing these pump o-rings. Use sparingly to...

Drain screw o-ring for Harley CV carburetors. Replacement for 27157-89 o-ring on CV carburetors that use a float bowl drain screw. For use with 1989-2006 Big Twins and XL Sportster models using the Harley CV 40 that have an external float bowl drain. Special - only $2.75 Includes 1 O-Ring. Not all models have a drain screw, please verify your model before ordering. Synthetic Lube may be used when replacing various o-rings. Use sparingly to avoid clogging the passages. Add Synthetic Lube to...

Complete Float Bowl Assembly for Harley CV Carburetors. Replaces original carb float bowl H-D p/n 27159-92 on 1992-2006* Harley models only. Ideal replacement for a damaged or worn float bowl assembly on your 40mm carb, or to improve weak accelerator pump fuel delivery. Unlike any other Harley carb float bowl assembly on the market, our exclusive assembly comes complete with high quality CV Performance® upgrades found no where else. Wait time for this item is approximately 5 weeks due to...

CVP's stainless steel idle speed screw for Harley CV and Keihin butterfly style carburetors. Now adjust your idle speed by hand without the need for a screwdriver. High quality single piece stainless steel construction guarantees durability and resistance to corrosion. Large easy to locate slotted head provided for fine tuning when a longer reach is still needed. Also includes stainless steel spring. Compatible with all Harley CV40 and Keihin butterfly style carburetors 1981-2006.* CVP Idle...

Premium vacuum slide assembly for Harley CV carburetors. Tumble polished body and heavy duty rubber diaphragm for added durability. Replaces original Harley OE p/n #27585-88.  Our Premium Slide is tumble polished and uses a heavy duty diaphragm. Also available in our standard Harley Vacuum Slide Assembly HERE Fits all Harley CV 40 carburetors: Big Twin 1989-2006 or Sportster 1988-2006. Not for use on other Keihin CV carburetors. * We personally inspect every slide diaphragm...

-->Accelerator Pump Boot Seal for Harley carburetors. OE 237311-76A prevents dust and debris from collecting inside the accelerator pump while keeping the pump shaft clean and dry. Replaces Harley OE p/n 237311-76 and 237311-76A or 27311-76-A found on 1989-2006 Harley CV40 carburetors and 76-89 Harley butterfly carburetors with an accelerator pump. Sold each one per package. ...

Carburetor bowl gasket seal for late model 1992-2006 Harley CV style carburetors. Replaces OE p/n 27577-92. For use with 1992-2006* Big Twins and XL Sportster models using the late model Harley CV 40. Special - only $5.25 Bowl Gasket Seal *- Quality seal replaces dried or cracked bowl seal.- Replaces p/n 27577-92* *For use on 1992-2006 Harley CV carburetors only that uses a single piece seal.  Bowl seal will NOT fit early version 1989-1991 models. For early...

Carburetor bowl gasket seal for early model 1989-91 Harley CV style carburetors. Replaces OE p/n 27577-88. For use with 1990-1991* FL/FX Big Twins and 1989-1991 XL models using the early model Harley CV 40. Special - only $6.95 Bowl Gasket Seal *- Quality seal replaces dried or cracked bowl seal.- Replaces p/n 27577-88* *For use on early 1989-91 Harley CV carburetors only that uses a separate o-ring around the accelerator pump nozzle (not included). Bowl seal will NOT...

Choke cable for Harley CV carburetors from CV Performance. OE replacement for p/n #29229-88A and #29236-90 mid to short style cables. Improved 8" cable (11.5 overall) is shorter than stock and the perfect size for choke bracket relocations. Replaces all other Harley CV enrichener cables where a mid-length to shorter style cable is required.  Requires use of your original plunger nut and elbow assembly (or our Enrichener Assembly)  for attachment to...

Enrichener choke assembly for Harley CV carburetors. Replaces the original enrichener pieces that attach your stock choke cable to the carburetor on most Sportster and big twin Harley models 1989-2006. Includes the plunger, spring, threaded nut, elbow guide and rubber cover as shown. Fits on stock Harley and MotionPro choke cables - sold separately.  Replacement for Harley p/n:Plunger 27583-88 Spring 27315-88A Threaded...

Basic Renewal Kit for Buell Blast models with the CV40 style carburetor. The kit contains the quality seals needed to renew your Blast CV carburetor. Bowl Gasket Seal *- Quality seal replaces dried or cracked bowl seal. Float needle valve  - 4 side body design with long lasting Viton tip.- Replaces OEM 27886-78A Air Cleaner Gasket- Non-stick coated gasket- Replaces p/n 29059-88* *For use on the CV carburetor originally equipped on Buell Blast...

Complete vacuum slide valve piston assembly for Keihin CVK40 carburetors found on KLR650 motorcycles. Replaces the original Kawasaki p/n 43028-1062 and 16126-1325. Slide replacement is recommended when the diaphragm eventually becomes pinched or torn, or normal wear has led to drivability problems. Fits Keihin CVK 40mm carburetors on the following models: KAWASAKI KLR650 1987-2018 KAWASAKI KLR600 1985-1986 KAWASAKI Tengai - KL650B 1990-1991 KAWASAKI KLE300B - Versys-X 300 2017 KAWASAKI Versys...

Carburetor bowl gasket seal for Kawasaki CVK 40 carburetors. Replaces OE p/n 92055-1222. For use with 1987-2004 Kawasaki models using the Keihin CV40. Commonly found on KLR650 models and some Vulcan models. Also fits various Triumph and Suzuki models, see part numbers below.  Special - only $6.95 Bowl Gasket Seal - Quality seal replaces dried or cracked bowl seal.- Replaces Kawasaki p/n 92055-1222, Suzuki p/n 13258-26E00, Triumph p/n T1241036...