CV Performance
Improving the Performance of your Harley Motorcycle

Gasket and seal products for Harley carburetors, intakes and exhaust. 


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Harley CV Carburetor renewal kit
Price: $16.95
Retail: $21.95
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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 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 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...

CVP Harley Mixture Packing Kit
Price: $9.95
Retail: $12.95
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Availability: In Stock
CV Performance Item #: CVP-MXPACK -

Replacement packing for use with the EZ-Just mixture screw or stock mixture screw. Includes the Viton® o-ring, washer, and spring that can be lost when removing the original mixture screw. These repack parts are a CVP exclusive and not available from the factory. Fits Harley Keihin 'Butterfly' and CV style carburetors 1981-2006. This packing kit also fits many CVK carburetors including: CVK40, CVK36, and CVK34 carburetors.* Note that in areas now using Ethanol as a 10% fuel additive, replacing...

Harley Float valve
Price: $12.95
Retail: $27.95
Availability: In Stock
OE Item #: CVP-FLTVLV4 -

4-Sided Float fuel valve w/clip for 1989-2006 Harley CV carburetors. Replacement for OEM p/n 27886-78A. Worn float valves are the most common cause of bowl overflows and engine flooding. Refer to the float level setting diagram when installing. The setting must be adjusted since some float needle valves may be longer or shorter than others (factory made 2 versions, same number). This item is the 4-sided version however both 3 and 4 sided float valves are stated to work by the factory. All...

Accelerator Pump Diaphragm for Harley carburetors
Price: $9.95
Retail: $14.95
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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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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...

Cometic Harley Intake Manifold Seal 26995-86B
Price: $5.25
Retail: $9.99
Availability: In Stock
Cometic Item #: 82904 -

Cometic Manifold Intake Seal Manifold intake seal installs between each head intake port and the manifold. Genuine Cometic Seal, Made in the USA! Provides a positive seal for all Harley intake manifolds. Resists drying and cracking. Replaces HD# 26995-86B compression seal between the head and manifold. Sold each, purchase of 2 seals required per installation.Fits:Big Twin Evolution 1990/1999, Twin Cam 1999/Later, and Sportster 1986/Later. Replaces Harley OE p/n 26995-86B. Refer to your service...

S&S Basic Rebuild 110-0067
Price: $38.95
Retail: $42.95
Availability: Out of Stock
S&S Cycle Item #: CVP-110-0067 -

S&S Cycle Basic Rebuild Kit for S&S Cycle Super E & G Carburetors. This is the ideal rebuild kit for rebuilding a carburetor after cleaning or inspection. Contains everything you need for a basic rebuild. Save time and improve your motorcycle performance with this all-in-one kit. Basic rebuild Kit includes Bowl gasket, backplate gasket, inlet float needle, carb to manifold O-ring (both Super G and E), ejector nozzle O-ring, accelerator pump diaphragm, diaphragm spring, check ball spring,...

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...

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...

Exhaust gasket
Price: $14.95
Retail: $18.95
Availability: In Stock
Cometic Item #: CM-94017PAIR -

Cometic® Thin Race Style Gasket Pair. Flat-woven stainless steel design that does not compress into the exhaust port, improving flow out of the head into the exhaust header pipe. Made from stainless steel wire mesh and impregnated with graphite for a positive seal. Ideal for use with aftermarket pipes or when adding Torque Cones. Replaces HD# 65324-83 or Screamin' Eagle 17048-98. SOLD AS PAIR. Fits Big Twin Evolution 1984/1999, Twin Cam 1999/Later, Sportster 1986/Later. Special through -...

Kawasaki KLR 16030-1057 float valve
Price: $17.95
Retail: $39.95
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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 carb rebuild kit 79-87
Price: $19.95
Retail: $23.95
Availability: In Stock
Item #: CVP-RPR76 -

Rebuild kit for early Harley Butterfly style carburetors. Replaces OEM kit 27006-92T for use with all 1976-1989 Harley Big Twin or 1976-1987 XL models using the Keihin butterfly carburetor only. Kits include gaskets, o-rings, accelerator pump diaphragm, both early and late style float needles, and all other common parts pictured that are necessary for a complete rebuild. Manufactured by Cycle Pro LLC*. NOTE: Kit is supplied as an OEM parts-only kit and may require a factory service manual...

Rebuild kit for Mikuni HSR carburetor
Price: $9.95
Retail: $39.95
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Availability: Limited Stock
OE Item #: HSR-016 - Blemished -

Complete rebuild kit for Mikuni HSR 42 and 45 carburetors. SALE - Blemished Kits. These kits were stored by the supplier in a humid warehouse and therefore the brass needle seat may be tarnished or require cleaning before installation. We are offering these kits as a close-out at this reduced price while supplies last. Included in kit:(1) Float needle and brass seat with o-ring(1) O-ring(1) Gasket(6) O-rings(1) Flat O-ring(1) Rubber boot(1) E-clip(1) Plastic washer(4) #8-32 x 7/16 in. bowl...

Harley Carburetor Rebuild Kit (import) CV carburetor rebuild kit, carburetor, repair, rebuild, harley, 27006-88
Price: $19.95
Retail: $26.95
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Availability: Discontinued
Item #: CVP-RPR89 -

Rebuild kit for Harley CV style carburetors. Imported by Cycle Pro LLC*. Discontinued Closeout item - Discontinued Alternate 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 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 Harley CV carburetors, will not fit CVK model carburetors. Contains import...

Cometic Harley Tapered Exhaust Gasket
Price: $7.95
Retail: $9.95
Availability: In Stock
Cometic Item #: CM-94016 -

Cometic® Taper Style Gasket. Replaces HD stock gasket 65324-83A. Stainless steel wire mesh gaskets are impregnated with graphite for a positive seal, ideal for use with stock pipes. Sold Each, requires one per head pipe. Fits all Harley Big Twin Evolution 1984/1999, Twin Cam 1999/Later, Sportster 1986/Later. Special through - only $5.25 each While supplies last. SOLD EACH (requires 1 per head pipe) Note: Exhaust gaskets should never be reused. Always replace your gaskets whenever removing or...

CVP FL Touring Aircleaner Gasket
Price: $4.95
Retail: $10.95
Availability: In Stock
CV Performance Item #: CVP-ACGFL -

Air cleaner backing gasket for 2008-present Harley touring models. Replaces Harley p/n 29241-08. For use with stock and aftermarket air cleaner assemblies. Sold individually. ...

Harley Air Cleaner Gasket Harley Air Cleaner Gasket, cv, carb, carburetor, motorcycle, harley, sportster, twin cam, aircleaner, 29059-88
Price: $1.90
Retail: $2.95
Availability: In Stock
CV Performance Item #: CVP-ACGCV1 -

Air cleaner backing gasket for 1990-2006 Harley CV carburetors. Replaces Harley p/n 29059-88. Will also fit Delphi fuel injected models (except 08+ touring). For use with stock and aftermarket air cleaner assemblies.

27077-88 Harley manifold gasket
Price: $3.90
Retail: $4.75
Availability: In Stock
Cometic Item #: CVP-MFGK -

Manifold flange gasket for 1978-1989 Harley Keihin carburetors. Replaces Harley p/n 27707-78. Gasket fits in between carburetor and the stock 2-bolt manifold flange or spacer block.Sold each, requires 2 if used with a spacer block. For use with stock manifold and butterfly style carburetor, or when using a flange adapter to to attach newer carburetors to the stock 2 bolt manifold on big twin Shovel, pre-1990 Evo, or pre-1989 Sportster models. ...