FUEL AND AIR

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

Complete assembled module makes installation easier and cleaner and saves time Designed, built and verified to meet or exceed OEM standards Pump d...

Race only 136" engine specs: Cylinder Heads High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1mm oversized intake...

FEULING HIGH LOAD premium performance BEEHIVE valve springs handle up to 750 lift camshafts on Twin Cam, Evo and XL. Up to 565 lift on M8 models wi...

FEULING ENDURANCE BEEHIVE valve springs are a direct bolt in replacement up to 650 lift (Twin cam/Evo/XL) and 565 lift (M8) camshafts no spring sea...

LECTRON BILLETRON CARBURETOR KIT FOR 53"-124" ENGINES *ALL NEW USA MADE BILLET CARB* Tuning Simplicity with a Carburetor is unheard of. If you've e...

Full Race M8 Cam .615 Most Powerful - Designed for Maximum Performance 3000 to 7000 RPM Range .615 Lift, Intake Closes at 52 ABDC Must us...

F35A Milwaukee 8 Cam .572 ​ New design with high lift and short duration Performs like the famous 30/30 but has .087 more lift. 2300 to 6500 ...

FEULING 630 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 630 CAMS - Vicious power gains, wide streetable power band from a high lift profile camsh...

FEULING 594 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 594 CAMS - Fierce performing camshaft for an array of engines sizes, large displacement e...

FEULING 630 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 630 CAMS - Vicious power gains, wide streetable power band from a high lift profile camshaft f...

FEULING 594 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 594 CAMS - Fierce performing camshaft for an array of engines sizes, large displacement engine...

FEULING 574 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 574 CAMS - Wicked power band for modified engines and an excellent bolt in for 95"+ engines. T...

FEULING 525 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 525 CAMS - A real workhorse, designed to increase torque band width and increase fuel economy....

FEULING 574 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 574 CAMS - Wicked power band for modified engines and an excellent bolt in for 95"+ engin...

FEULING 543 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 543 CAMS - The Freeway Flyer, a great camshaft for those who want more top end power than...

FEULING 525 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) BIGGEST CAMSHAFTS FOR '99-'04 ENGINES (WILL ALSO FIT '05-'06) 525 CAMS - A real workhorse...

FEULING HYDRAULIC TENSIONERS CONVERSION KITS Kit includes the needed components to upgrade early 99-06 style mechanical spring tensioner cam chain ...

FEULING 630 CHAIN DRIVE CAMSHAFTS ('06+TWIN CAM) 630 CAMS - Vicious power gains, wide streetable power band from a high lift profile camshaft for h...

FEULING 594 CHAIN DRIVE CAMSHAFTS ('06+TWIN CAM) 594 CAMS - Fierce performing camshaft for an array of engines sizes, large displacement 103, 110 &...

FEULING 525 CHAIN DRIVE CAMSHAFTS ('06+TWIN CAM) 525 CAMS - A real workhorse, designed to increase torque band width and increase fuel economy. Gre...

FEULING 472 CHAIN DRIVE CAMSHAFT ('17+M8) Now 50 State legal / CARB compliant!  CARB EO# D-881-1 472 CAM - The 472 Reaper is a great all-around cam...

FEULING 508 CHAIN DRIVE CAMSHAFT ('17+M8) 508 CAM - The Grim Reaper Aggressive pulling power with a nasty sound. This camshaft revs up faster than ...

FEULING 521 CHAIN DRIVE CAMSHAFT ('17+M8) 521 CAM - Aggressive pulling power with a nasty sound, the REAPER 521 grind will shine in 114 and larger ...

FEULING 465 CHAIN DRIVE CAMSHAFT ('17+M8) Now 50 State legal / CARB compliant!  CARB EO# D-881-1 465 CAM - The 465 Reaper is an accelerator, produc...

FEULING 405 CHAIN DRIVE CAMSHAFT ('17+M8) Now 50 State legal / CARB compliant!  CARB EO# D-881-1 405 CAM - A workhorse, producing a wide powerband ...

NAMZ Complete Stand Alone M8 EFI System with exclusive, plug-n-play engine management harness, proprietary twist grip assembly & Thundermax ECM...

FUEL PRESSURE CHECK GAUGE/TOOL Includes a solid brass adapter and release valve, steel housing (100 psi) gauge, stainless steel springs, Viton O-r...

K&N® Recharger® Kit is designed to restore the performance of your K&N® oiled cotton air filter, and includes a 6.5-ounce aerosol can of oi...

S&S V80 ENGINE    Excellent choice for states with someone who wants a cost effective performance engine! Have an old Evo that is cracked or n...

S&S V80R ENGINE    Excellent choice for states with someone who wants a street legal and emissions legal performance engine!  We've been ins...

S&S V96R ENGINE    Excellent choice for states with someone who wants a street legal and emissions legal performance engine!  We've been ins...

S&S T143 ENGINES The ultimate power producing and reliable drop in engine available! The biggest and baddest engine S&S offers. Features...

S&S T124 ENGINES (HIGH COMPRESSION) The ultimate power producing and reliable drop in engine available! This engine features high compressio...

S&S V124 engines  Perfect for applications that require great horsepower and torque, but not at the expense of dependability and engine life...

A revolution in blue-proof exhaust technology, Vance & Hines delivers the short, fat, straight-pipe look with twin slash-cut ends High style a...

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

Radical 2-into-1 headpipe design stepped 1-3/4" into 1-7/8" designed for performance and increased lean angle as well as a very aggressive exhaust...

4" Monster Rounds offer the same perfection in and performances as the Monster Ovals Stereo-friendly, Monster Mufflers yield a deep rich tone that...

Fits 17'+ touring models 4" diameter Black ceramic coated billet tip for years of durability Louvered core for maximum performance and an aggressi...

Transforms your stock header into a torque and power producing 2:1 system. Combined, your bike will see performance gains up to 14% New absorptive...

Fits 17'+ touring models Smoked chrome finish These mufflers have been dyno tested and show a 12% increase in torque and 7% increase in power Prod...

Fits 1995–2016 Harley-Davidson touring models with non-catalyst mufflers (except 2010 Road Glide and Street Glide using OEM 2-1 Header) Also fits ...

Fits 95'-16' Touring models MK45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baff...

Fits 17'+ Touring models MK45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle ...

RAMJET RACING SLANT 5 AIR CLEANER COVER Another piece to our Slant 5 collection! Add this to complete your set! Or use our Slant 5 Air Cleaner Cove...

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