CV Performance
Improving the Performance of your Harley Motorcycle

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Harley EZ-Just mixture screw from CV Performance
Price: $19.95
Retail: $26.95
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(20)
Availability: In Stock
CV Performance Item #: CVP-EZ001 -

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...

Harley CV Carburetor renewal kit
Price: $16.95
Retail: $21.95
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(1)
Availability: In Stock
CV Performance Item #: CVP-CVRENEW -

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...

Harley Carburetor Vacuum Slide
Price: $48.95
Retail: $70.95
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(11)
Availability: In Stock
CV Performance Item #: CVP-SLIDE -

Complete vacuum slide assembly for Harley CV carburetors. Replaces original H-D p/n #27585-88. 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 driveability problems. New and improved! Our slide is now tumble polished and uses a stronger diaphragm for improved durability. Fits all Harley CV 40 carburetors: Big Twin 1990-2006 or Sportster 1989-2006. Not for use on other Keihin...

Harley CV Carburetor Basic Renewal Kit 89-91 CV carburetor basic renewal kit, carburetor, repair, rebuild, harley, 1989-1991
Price: $16.95
Retail: $22.99
Availability: In Stock
CV Performance Item #: CVP-CVRENEW-89-91 -

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 $16.95 CVP Accelerator Pump Diaphragm- Superior material outlasts many other diaphragms.- Resists the harmful effects...

Harley CV Carburetor Float Bowl 27159-92
Price: $42.95
Retail: $49.95
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(1)
Availability: In Stock
CV Performance Item #: CVP-FLTBWL -

Complete Float Bowl Assembly for Harley CV Carburetors. Replaces original carb float bowl H-D p/n 27159-92 on 1992-2006* Harley models. Ideal replacement for a damaged or worn float bowl assemblies 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. Exclusive Features only found on our CVP Float Bowl: Bowl...

Harley CV Carburetor Rebuild Kit
Price: $26.95
Retail: $34.95
Availability: In Stock
CV Performance Item #: CVP-CV40RBLD -

Introducing our exclusive Premium Rebuild Kit for Harley CV Carburetors. The kit contains all of the vital seals and gaskets needed to rebuild your Harley CV carburetor. Our kit contains only premium quality seals and gaskets that exceed original factory standards. For use with all 1990-2006 Big Twin or 1989-2006 XL models using the Harley CV 40 carburetor. Replaces factory rebuild kit 27006-88 Unlike inferior mass produced kits and imports sold everywhere else, our...

Kawasaki KLR650 CVK40 Carburetor Slide 43028-1062
Price: $48.95
Retail: $72.95
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(1)
Availability: In Stock
CV Performance Item #: CVP-SLIDEK40 -

Complete vacuum slide piston assembly for Keihin CVK40 carburetors found on KLR650 motorcycles. Replaces the original Kawasaki p/n 43028-1062. Slide replacement is recommended when the diaphragm eventually becomes pinched or torn, or normal wear has led to driveability problems. Our slide is now tumble finished and uses a stronger diaphragm for improved durability. Fits Keihin CVK 40mm carburetors on the following models: KAWASAKI KLR650 1987-2018 KAWASAKI KLR600 1985-1986 KAWASAKI Tengai -...

Accelerator Pump Diaphragm for Harley carburetors
Price: $9.95
Retail: $14.95
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(3)
Availability: In Stock
CV Performance Item #: CVP-ACC2 -

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. On Backorder Until 7/1 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....

Harley manifold boot seal
Price: $9.25
Retail: $13.95
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(3)
Availability: In Stock
CV Performance Item #: CVP-INTBOOT -

CVP's exclusive Premium Intake Manifold Boot Seal for Harley CV carburetors. Finally a manifold boot seal that seals correctly! Boot seal mates the CV40 carburetor spigot end to the stock slip-fit Harley manifold.  Improved fit for a positive seal on all Harley models using slip fit (spigot) CV carburetors. Greater resistance against drying and cracking. Firmly provides a tight leak-free seal to cure vacuum leaks.   Replaces the old factory boot seal between the carburetor and...

Accelerator Pump Boot Seal 27311-76
Price: $2.75
Retail: $4.95
Availability: In Stock
CV Performance Item #: CVP-ACCBOOT-2731176 -

-->Accelerator Pump Boot Seal for Harley carburetors. Prevents dust and debris from collecting inside the accelerator pump while retaining any silicone lube used on the pump shaft. Replaces Harley OE p/n 237311-76 and 237311-76A found on 1989-2006 Harley CV40 carburetors and and Harley butterfly carburetors with an accelerator pump. Sold each one per package. Will not fit on non-Harley model carburetors. Image may differ from the actual product. Aftermarket boot cover seal, photos may...

Harley carburetor chrome cover
Price: $17.95
Retail: $22.95
Availability: Out of Stock
V-Factor MID-USA Item #: VF-82307 -

Chrome plated CV Carburetor top cover with chrome mounting screws. Fits Big Twin 1990/Later & Sportster 1988/Later. Replaces HD# 27040-88 & 27129-88 Limited Time - only $17.95 Imported by MID-USA® ...

Harley 27577-88 Carburetor Bowl Seal
Price: $6.25
Retail: $12.95
Availability: In Stock
CV Performance Item #: CVP-27577-88 -

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 $6.25 Bowl Gasket Seal *- Quality seal replaces dried or cracked bowl seal.- Replaces p/n 27577-88* *For use on 1989-91 Harley CV carburetors only that uses a separate o-ring around the accelerator pump nozzle (not included). Bowl seal will NOT fit...

CVP Idle Speed Screw
Price: $18.95
Retail: $27.95
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(3)
Availability: In Stock
CV Performance Item #: CVP-IDL -

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...

Buell Blast Carburetor Renewal Kit
Price: $13.95
Retail: $16.95
Availability: In Stock
CV Performance Item #: CVP-CVRENEW-BLAST -

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.  SALE - only $13.95 --> 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...

Harley 27577-88 Carburetor Bowl Seal
Price: $5.95
Retail: $15.95
Availability: In Stock
CV Performance Item #: CVP-CVK-920551222 -

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 $5.95 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...

Kawasaki KLR 16030-1057 float valve
Price: $17.95
Retail: $39.95
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(1)
Availability: Limited Stock
OE Item #: CVP-FLTVLV-KLR650 -

Float fuel valve w/clip for 1988-2018 Kawasaki CVK40 carburetors. Commonly found on KLR650 models. Replacement for Keihin / Kawasaki part number 16030-1057.  Note: See your factory service manual or consult a service technician if not already familiar with the service procedures required for installation.  Fits various Kawasaki models, verify your model accepts part number 16030-1057 before purchase.  We are unable to exchange float valves if you order the...

CV Performance logo hats
Price: $12.95
Retail: $19.99
Availability: In Stock
CV Performance Item #: CVP-HAT -

CVP Logo hat from CV Performance. On Sale for a limited time!Color embroidered logo on a 100% cotton black baseball cap. Velcro closure to fit any size skull.