FUEL AND AIR

LECTRON CARBURETOR HD400 FOR 100"+ MOTORS Tuning Simplicity with a Carburetor is unheard of. If you've ever sat down and tried to tune your carbure...

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 Domed-style air cleaner covers are machined from billet aluminum, fit ...

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 Four fuel delivery ports for better fuel flow O-ring sealed idle mixture screw Increased airflow for more horse...

Features lengthened intake runners for increased air velocity, delivering added volume for balanced dynamic flow One piece design, creates a clean...

TWIN POWER 55MM ALUMINUM HIGH FLOW INTAKE MANIFOLD 2017+ M8 The Twin Power® 55mm Aluminum High-Flow Intake Manifold replaces the stock plastic unit...

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...

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 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 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...