CV Performance

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. We recommend Synthetic Lube when replacing these pump o-rings. Use sparingly to...

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...

CVP Polished Choke Bracket. Made from polished stainless steel, our choke bracket moves the choke knob conveniently to the top of the carburetor for that custom look. Big twin or Sportster relocation of your choke enrichener for easy reach. Includes all stainless steel mounting hardware to stand up to the elements. Choke cable assembly not included. Fits 1990-2006 Big Twin and 1988-2006 Sportster models using CV style carburetors. Requires aftermarket air cleaner assembly or...

Keychain flashlight is perfect for when you need it on the road and bright enough to find that smallest part you dropped on the garage floor.            

CVP performance slide spring for Harley CV carburetors and Keihin CVK40. Special tension design provides improved throttle response while eliminating "slide bounce" encountered with cut or shortened race model springs. American made from stainless steel and available for the following CV carburetor models:1989-2006 Big Twin and Twin Cam1988-2006 Sportster 883-1200 models1987-2018 KLR650 using Keihin CVK40Improves performance and throttle response without the need to drill the original slide....

The CVP Needle Jet is a direct replacement for stock Harley needle jet (nozzle) found on all CV40 carburetors. CNC machined from stainless steel and is a perfect replacement for jet nozzles worn from aftermarket adjustable needles, high mileage, or to replace lost/misplaced parts. The Needle Jet nozzle is mandatory for correct fuel spray as the needle lifts during normal acceleration. Available for all constant velocity (CV) carburetors on 1989-2006 Big Twin and Sportster...

The V-Ductor is the velocity stack that fits under your air cleaner. By funneling air through the unique and proven venturi design, the V-Ductor reduces turbulence while increasing velocity for optimal fuel mixture. Unlike vanes, grates or screens that may deflect airflow or encourage turbulence, the V-Ductor never blocks or reduces flow. Increased air density greatly improves mileage by encouraging a more complete burn of the air/fuel mixture. Bolt-on performance that installs in minutes. The...

Accelerator pump rod 27156-89 for Harley CV carburetors 1989-2006.  Replacement for Harley OE part number 27156-89

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...

Replacement screw kit for the float bowl screws found on Harley CV carburetors and KLR650 CVK40 carburetors. Replace those stock factory screws which commonly strip after removal. These quality stainless steel screws will stand up to repeated removal and all weather conditions. Includes stainless steel socket head screws, washers, and a metric hex key. Note that appearance of all products are subject to change. Fits Harley CV40 1989-2006 and Keihin CVK40 carburetors.  ...

Replacement screw kit for the accelerator pump cover on Harley CV carburetors. Stock factory screws commonly strip after removal. These quality stainless steel screws will stand up to repeated removal and all weather conditions. Includes 3 stainless steel socket head screws, 3 washers, and a metric hex key. Will fit 89-06 Harley CV style carburetors only. Special through - only $7.95 ...

Stainless steel polished float bowl screw kit for Harley CV carburetors and CVK40 carburetors. Replaces the stock factory screws which commonly strip after removal. These quality polished stainless steel button head screws provide a custom low profile look while being durable and corrosion resistant. Includes polished stainless steel button head screws, stainless washers, and a metric hex key. Fits Harley CV40 1989-2006 and Keihin CVK40 carburetors.  ...

Stainless steel polished screw kit for the accelerator pump cover on Harley CV carburetors. These quality stainless steel screws will stand up to repeated removal and are weather resistant. Includes 3 stainless steel polished button head screws, 3 stainless steel washers, and a metric hex key. Will fit 89-06 Harley CV style carburetors only. Also check out our matching Float Bowl Screws.  ...

Stainless steel polished hardware kit for top cover on Harley CV carburetors and CVK40 carburetors. Quality polished stainless steel button head screws provide a custom low profile look while being durable and corrosion resistant. Includes polished stainless steel button head screws, stainless washers, and a metric hex key. Fits Harley CV40 1989-2006 and Keihin CVK40 carburetors. 

Replacement stainless steel polished float bowl screw kit for Mikuni HSR 42 and 45 carburetors and Screamin' Eagle HSR carburetors. Our quality polished stainless steel button head screws provide a custom low profile look while being durable and corrosion resistant. Includes polished stainless steel button head screws, stainless washers, and a metric hex key. Fits Mikuni HSR and SE HSR 42 or 45 smoothbore carburetors used on Harley motorcycles.  ...

Stainless steel polished float bowl screw kit for Kawasaki CVK40 carburetors and similar Keihin CVK carburetors. Replaces the stock factory screws which commonly strip after removal. These quality polished stainless steel button head screws provide a custom low profile look while being durable and corrosion resistant. Includes polished stainless steel button head screws, stainless washers, and a metric hex key. Fits Keihin CVK40 carburetors found on Kawasaki KLR650 and other models...

The CVP Rejet kit is designed for unmodified Harley CV carburetors and for riders seeking to "Jet it and Forget it" on a stock bike. This is Not a tuning kit. Rejet kits are only to correct the basic lean stock jetting. Includes the correct size jets for your stock model, CVP's own Velocity Needle, and stainless steel bowl hardware. Available for all stock unmodified Harley constant velocity (CV) carburetors on 1989-2006 Big Twin and Sportster models. Not available for custom...

CVP's low profile accelerator pump pedestal nozzle for Harley CV carburetors promotes a more laminar flow in the carburetor inlet reducing turbulence and providing a spray directed into the lower center of the venturi. Includes the pedestal nozzle and replacement bowl hardware. Installation recommendations The pedestal nozzle is a press fit installation and direct replacement for the original nozzle. Refer to the Installation Recommendations page for tips to help during installation. ...

The "butterfly" version of our original EZ-Just mixture screw for adjusting the air idle mixture on early 1979-87 Harley Sportster or 81-89 big twin Keihin carburetors. Easily tune and adjust your idle mixture without burning your hands or fumbling with a screwdriver. Compatible only with pre-1987* Harley butterfly carburetors and replaces the stock mixture screw. Not for use on CV style carburetors or carburetors used on non-Harley motorcycles. This part will NOT fit Keihin CVK carburetors....

Accelerator Pump Diaphragm replaces worn or cracked diaphragms on S&S Super E and G carburetors. Greater resistance to mild fuel additive exposure commonly found in pump gas in many states. Original fitment for S&S Super E or G, and Ultima R-1/R-2 carburetors For stock Harley CV40 carburetors use P/N 27361-76A found Here  Sold individually, diaphragm only. Replaces p/n 11-2282 on S&S Super E/G carburetors. * Never use fuel that contains 10% or higher Ethanol or alcohol additives in a...

Air cleaner backing gasket for 1989-2006 Harley CV carburetors. Replaces Harley p/n 29059-88. Will also fit Delphi fuel injected models (except 08+ touring) on Twin Cam and Sportster models up to 2017. Gaskets are made from durable fiber material (not paper) with an added coating to reduce sticking for easier removal.  For use with stock and aftermarket air cleaner assemblies.

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.

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. ...

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...