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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(21)
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...

ThunderCore Pro plug wires
Price: $23.95-$38.95
Retail: $47.90
Availability: In Stock
Walker Products Item #: 934 -

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...

Harley CV Carburetor renewal kit 92-06
Price: $17.95
Retail: $23.95
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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 $17.95 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
Sale: $42.95
Retail: $64.95
Was: $46.95
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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 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 premium version slide - tumble polished and a heavy duty diaphragm. Fits all Harley CV 40 carburetors: Big Twin 1989-2006 or Sportster 1988-2006. Not for use on...

Harley CV Carburetor Basic Renewal Kit 89-91 CV carburetor basic renewal kit, carburetor, repair, rebuild, harley, 1989-1991
Price: $17.95
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 $17.95 CVP Accelerator Pump Diaphragm- Superior material outlasts many other diaphragms.- Resists the harmful effects...

Accelerator Pump Diaphragm for Harley carburetors
Sale: $8.95
Retail: $14.95
Was: $9.95
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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. 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...

CV Performance Premium Vacuum Slide Piston
Price: $48.95
Retail: $70.95
Availability: In Stock
CV Performance Item #: CVP-SLIDE-PREM -

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 27311-76
Sale: $2.95
Retail: $6.95
Was: $3.95
Availability: In Stock
CV Performance Item #: CVP-ACCBOOT-2731176 -

-->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. ...

Harley CV Carburetor Float Bowl 27159-92
Sale: $42.95
Retail: $52.95
Was: $45.95
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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 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. Fulfillment time for this item is 5-7 days. Exclusive...

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...

Harley 27360-76 Accelerator Pump O-Ring
Price: $3.75
Retail: $4.95
Availability: In Stock
CV Performance Item #: CVP-27360-76 -

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 $3.75 Includes 2 O-Rings. Some models use a single o-ring while newer models use two seals. This kit will cover both versions.  This kit is supplied as an OEM style product (no instructions). Please...

Harley 27577-92 Carburetor Bowl Seal
Price: $5.25
Retail: $12.95
Availability: In Stock
CV Performance Item #: CVP-27577-92 -

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...

Harley 27577-88 Carburetor Bowl Seal
Price: $4.95
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 $4.95 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...

Buell Blast Carburetor Renewal Kit
Price: $14.95
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 $14.95 --> 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...

CV Performance logo hats
Price: $12.95
Retail: $19.99
Availability: Out of 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.

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. 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 650 2009 Not for use...

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...

Harley 27577-88 Carburetor Bowl Seal
Price: $4.95
Retail: $14.95
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 $4.95 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...

Harley Carburetor Rebuild Kit (import) CV carburetor rebuild kit, carburetor, repair, rebuild, harley, 27006-88
Price: $12.95
Retail: $26.95
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(2)
Availability: Limited Stock
Item #: CVP-RPR89 -

Rebuild kit for Harley CV style carburetors. Imported item by Cycle Pro*. Discontinued Blowout Sale - Limited StockWhile supplies last on this Closeout Item - ONLY $12.95Alternate part, use our CVP Basic Renewal Kit or Premium CV Carburetor Rebuild Kit  We have a limited supply of these import style kit from a dealer liquidation - As-Is Closeout Kit is supplied as an OEM parts-only kit and may require a factory service manual to properly install all components. Only for use on...