FUEL AND AIR

The Fuelpak FP3 has revolutionized fuel management for all new Harley-Davidson models using the HDLAN system Connecting wirelessly by Bluetooth® t...

Mikuni Carburetor Rebuild Kits Genuine Mikuni parts properly replace worn or mistreated components for HSR42/45/48 carburetors Includes top cover ...

Mikuni Carburetor to CV Air Cleaner Adapter Fits Mikuni HSR 42/45/48mm Carburetors Accepts Air Cleaners for CV Carb & Delphi Fuel Injection Ma...

S&S Cycle - PROVEN Performance High-flow filter designed especially for S&S intakes Cleanable elements for multi-service use Hi-Flow filte...

S&S Cycle - PROVEN Performance Original S&S teardrop air cleaner assemblies Include an S&S cover, backing plate and high-quality filte...

Carb Rebuild Kit  Kits include all necessary parts to rebuild a butterfly-style or CV-style Keihin carb Available for Keihin butterfly carbs &...

Mikuni HSR series carburetors are simply the best. Our favorite carburetor for your everyday performance needs. MAXIMUM adjustablity to dial-in you...

Dynojet's Power Vision is the most powerful device for Harley-Davidson motorcycles in the market today. It is a performance tuner and data monitor...

Big Sucker™ Stage I Air Filter Kits With Cover For Twin Cam And XL One-piece aluminum backing plate features patented hidden breather technology....

Big Sucker™ Stage I Air Cleaners: Twin Cam/Evolution/Sportster Engineered and proven to give your engine maximum airflow for more horsepower &...

PINGEL POWER-FLO PETCOCKS Substantially higher fuel flow compared to OEM or aftermarket fuel valve - A must for any big inch motor or performance ...

PINGEL POWER-FLO PETCOCKS Substantially higher fuel flow compared to OEM or aftermarket fuel valve - A must for any big inch motor or performance ...

S&S Cycle - PROVEN Performance Fit the S&S Stealth air cleaner kits 85% of the original size Tear Drop air cleaner covers Available in Pow...

S&S Cycle - PROVEN Performance Fit the S&S Stealth air cleaner kits Muscle-style air cleaner covers are machined from billet aluminum, fit...

S&S Cycle - PROVEN Performance Fit the S&S Stealth air cleaner kits Domed-style air cleaner covers are machined from billet aluminum, fit ...

S&S Cycle - PROVEN Performance Fit the S&S Stealth air cleaner kits Bob Dish air cleaner covers are machined from billet aluminum, fit ove...

S&S Cycle - PROVEN Performance Fit the S&S Stealth air cleaner kits Available in Powder-coated Gloss Black and Chrome Air Stream-style is ...

S&S Cycle - PROVEN Performance Stealth series air cleaners are one of the best air cleaners on the market for performance and stock application...

1976 and later Keihin carburetors come with a 2 piece fuel inlet which has a plastic elbow for your fuel line. These are notorious for failing. The...

S&S Cycle - PROVEN Performance Four fuel delivery ports for better fuel flow O-ring sealed idle mixture screw Increased airflow for more horse...

Dynojet Thunderslide Kits Excellent performance upgrade Designed for engines with stock or aftermarket air filter and exhaust system Revolutionary...

Yost has been making great performance parts for all Harley Davidson model stock and aftermarket carburetors for years! Stock CV carburetors have a...

S&S Cycle - PROVEN Performance Original S&S teardrop air cleaner assemblies Include an S&S cover, backing plate and high-quality filte...

S&S Cycle - PROVEN Performance Four fuel delivery ports for better fuel flow O-ring sealed idle mixture screw Increased airflow for more horse...