FUEL AND AIR

POWERPLANT CYCLES- P16 MX VENTED GAS CAP P16 MX VENTED GAS CAP Metal: High-Quality T6 Aircraft-Grade Aluminum. Specs:  Design inspired by Vintage ...

Mikuni Carburetor to CV Air Cleaner Adapter Fits Mikuni HSR 42mm & 45mm Carburetors Accepts factory or after market air cleaners for CV carb &...

FEULING VENTED DIPSTICK GET THE MOST OUT OF YOUR TWIN CAM AND M8! The FEULING billet dipsticks vent/breathe excessive crank case pressure from the...

VANCE & HINES FUELPAK FP3 The Fuelpak FP3 has revolutionized fuel management for all new Harley-Davidson models using the HDLAN system Connect...

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

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...

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...

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

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

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

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

The power of your vehicle is truly only complimented by one other crucial asset: appearance. Now with the new line of Individual Analog Bargraph Ga...

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

Quality and visibly nicer replacement for the factory flanges Replaces OEM #27009-86 & #27010-86 86'-06' Models (Except 06' Dyna) Seals availa...

ARLEN NESS METHOD AIR CLEANER GOLD The Method is a forged billet aluminum air cleaner that features a sculpted CNC machined design and a clear pol...

ARLEN NESS METHOD AIR CLEANER BLACK The Method is a forged billet aluminum air cleaner that features a sculpted CNC machined design and a clear po...

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...

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

Namz ignition system only harnesses. 100% made in the USA! Both great options for building a early / late model Twin cam FXR, chopper or converting...

Direct OEM Replacement Improves overall performance including starting, stops high-speed misfires and increases mileage 30,000 V output Peak spark...

NAMZ Complete Stand Alone EFI Engine Management System with exclusive, plug-n-play EFI wiring harness, proprietary twist grip assembly & Thunde...

Available for M8 or Twin cam engines! M8 Engines '17+ Machined from billet 6061 aluminum with square surfaces, promoting excellent umbrella valve ...