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 $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...

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...

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.            

Black CV Carburetor top cover with mounting screws. Lightweight aluminum with black semi gloss coating. Includes black hardware for a finished look. Fits Harley Big Twin 1990-2006 & Sportster 1988-2006, or Buell models with a CV40 carburetor. Replaces Harley # 27040-88 and 27261-96. Also fits CVK40 40mm carburetor on Kawasaki KLR650.  Limited Time - only $17.95 ...

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...

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....

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 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 models. Replaces...

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

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. 

Black hardware kit for top cover on Harley CV carburetors and CVK40 carburetors. Satin black coated flat head screws provide a custom stealth look while being durable and corrosion resistant. Replacement for worn original Phillips (JIS) head screws. Includes socket screws and metric hex key* Fits Harley CV40 1989-2006 and Keihin CVK40 carburetors.  * Do not over torque cover screws on stock plastic covers.   ...

Replacement stainless steel polished float bowl screw kit for Mikuni HSR 42 and 45 carburetors and Screamin' Eagle HSR carburetors made for Harley models. 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 42 and 45, and SE HSR 42 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...

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...

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...

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 designed to correct the basic lean stock jetting. Available for stock Harley CV carburetors on 1989-2006 models. Previously modified carburetors may require a new Emulsion Tube sold separately.  CV Performance Rejet Kit includes: CVP Performance Slide Needle for Improved Midrange Exclusively designed and sold by...

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 removing the carburetor or trying to maneuver a screwdriver under the tank. Compatible only with pre-1988* 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...

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.

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. ...