Engine

S&S Cycle Replacement Rocker Arm Shafts. Set of 4. Fits: 84-17 Evo/Twin Cam and 86-18 Sportster XL - Repl, OEM #17611-83 Set of 4 Made in the U.S.A. Fitment YearMakeModel 1997 - 2000 Buell M2 Cyclone 1996 Buell S1...

S&S Cycle Replacement Rocker Arm Shaft. Sold each. Fits: 84-17 Evo/Twin Cam and 86-18 Sportster XL - Repl, OEM #17611-83 Sold each Made in the U.S.A. Fitment YearMakeModel 1997 - 2000 Buell M2 Cyclone 1996 Buell S1...

S&S Cycle Forged Stanged Rocker Arms for the Harley Evo and Twin Cam models. Fits: 1984-2017 Harley Evolution and Twin Cam, 86-18 Sportster XL, 09-12 XR1200, 94-09 Buell Models (Except 1125R) An economical solution for stock rebuilds, and mild...

S&S Cycle Forged Roller Rocker Arm rebuild kit. Fits: S&S Forged Roller Rocker Arms Rebuild kit only Made in the U.S.A. Fitment YearMakeModel 1997 - 2000 Buell M2 Cyclone 1996 Buell S1 Lightning 1998 Buell S1...

S&S Cycle Forged Roller Rocker Arms for the Harley Evo and Twin Cam models. 1.725 Rocker Ratio for custom applications. Fits: 1984-2017 Harley Evolution and Twin Cam, 86-18 Sportster XL, 09-12 XR1200, 94-09 Buell Models (Except 1125R) Forged from...

S&S Cycle Forged Roller Rocker Arms for the Harley Evo and Twin Cam. Fits: 1984-2017 Harley Evolution and Twin Cam, 86-18 Sportster XL, 09-12 XR1200, 94-09 Buell Models (Except 1125R) Forged from 8620 steel, heat-treated then shot-peened for...

Quickee Pushrod Kit with gloss black covers for Harley Twin Cam models from S&S Cycle. Fits: 1999-2017 Harley Twin Cam models Kits include four S&S adjustable pushrods, four pushrod covers, O-rings Pushrods are manufactured from chromoly...

Quickee Pushrod Kit with chrome covers for Harley Twin Cam models from S&S Cycle. Fits: 1999-2017 Harley Twin Cam models Kits include four S&S adjustable pushrods, four pushrod covers, O-rings Pushrods are manufactured from chromoly steel...

Adjustable Pushrod Kit with chrome covers for Harley Twin Cam models from S&S Cycle. Fits: 1999-2017 Harley Twin Cam models Kits include four S&S adjustable pushrods, four pushrod covers, O-rings Pushrods are manufactured from chromoly steel...

Preium High-Performance lifters for your Harley from S&S Cycle. Fits: 17-18 M-Eight,. 99-17 Twin Cam, 00-18 Sportster XL Reduced valve train noise from startup to shutdown Close tolerance for low leak-down rates – fast pump-up and superior...

Preium High-Performance lifters from S&S. Features the HL2T Kit. Fits: 17-18 M-Eight,. 99-17 Twin Cam, 00-18 Sportster XL Reduced valve train noise from startup to shutdown Close tolerance for low leak-down rates – fast pump-up and...

Keep your bike running cool and happy with the JIMS forceflow cylinder head cooler kit. Black finish. Fits: 2017-2018 Harley Milwaukee-8 Touring models The only cooling system made for Touring bikes that consistently reduces operating temperatures up...

Keep your bike running cool and happy with the JIMS forceflow cylinder head cooler kit. Chrome finish. Fits: 2017-2018 Harley Milwaukee-8 Touring models The only cooling system made for Touring bikes that consistently reduces operating temperatures...

Pickup a Cometic Primary Gasket Rebuild Kit for your 94-05 Dyna or 94-06 Harley Softail. Fits: 1994-2006 Harley Softail, 1994-2005 Dyna Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown,...

Chrome Stage II Kit from S&S provides all of the power you need for the 2017-2018 Touring models. Your choice of 465 or 475 cams. Black finish. Fits: 2017-2018 Harley Electra Glide, Street Glide, Road Glide and Road King...

Chrome Stage II Kit from S&S provides all of the power you need for the 2017-2018 Touring models. Your choice of 465 or 475 cams. Chrome finish. Fits: 2017-2018 Harley Electra Glide, Street Glide, Road Glide and Road King...

Chrome Stage II Kit from S&S provides all of the power you need for the 2008-2016 Touring models. Your choice of 551, MR103, 585 cams. Chain Drive. Black finish. Fits: 2008-2016 Harley Electra Glide, Street Glide, Road Glide and Road King...

Chrome Stage II Kit from S&S provides all of the power you need for the 2008-2016 Touring models. Your choice of 551, MR103, 585 cams. Chain Drive. Fits: 2008-2016 Harley Electra Glide, Street Glide, Road Glide and Road King...

Black Stage II Kit from S&S provides all of the power you need for the 1999-2006 Touring models. Your choice of 509 or 510 Cams. Fits: 1999-2006 Harley Electra Glide, Street Glide, Road Glide and Road King (FLHT/FLHX/FLTR/FLHR) Parts are proven...

Chrome Stage II Kit from S&S provides all of the power you need for the 1999-2006 Touring models. Your choice of 509 or 510 Cams. Fits: 1999-2006 Harley Electra Glide, Street Glide, Road Glide and Road King (FLHT/FLHX/FLTR/FLHR) Parts are...

Compression release valves from Kibblewhite. State-of-the-art design to help reduce hot start issues and starter/battery loads Have 5-7 Newtons of closing force resistance Custom molded knobs ensure they stay cool to the touch and are easy to...

M464 Cam from Andrews for the Harley Milwaukee Eight engine. Fits: 2017-2018 Harley Milwaukee Eight M-Eight bikes are available in both 107 and 114 cubic inch engine sizes; with high-efficiency four-valve heads, M-Eight engines show great potential...

M462 Cam for the Harley Milwaukee Eight engine from Andrews. Fits: 2017-2018 Harley Milwaukee Eight M-Eight bikes are available in both 107 and 114 cubic inch engine sizes; with high-efficiency four-valve heads, M-Eight engines show great potential...

Bulletproof your engine with maximum reliability and add power at the same time. Fits: 2017-2018 Harley Milwaukee Eight (Oil-Cooled Models Only) Bulletproof your engine with maximum reliability Kit includes Race Series oiling system: billet 7075 oil...

Everything you need to upgrade your bottom end and make it bulletproof with more power. 465 HP+ Kit from Fueling for the Harley M-Eight. Fits: 2017-2018 Harley Milwaukee Eight (Oil-Cooled Models Only) Quieter and smoother engine operation Increase...

Everything you need to upgrade your bottom end and make it bulletproof with more power. 405 HP+ Kit from Fueling for the Harley M-Eight. Fits: 2017-2018 Harley Milwaukee Eight (Oil-Cooled Models Only) Quieter and smoother engine operation Increase...

Add horsepower and decrease the engine temp with the Oil System Pack from Feuling for the M8. Race Series version for the ultimate upgrade. Fits: 2017-2018 M-Eight Engine (Oil Cooled Only) Available in HP+® or RACE SERIES® kits Quieter and...

Add horsepower and decrease the engine temp with the Oil System Pack from Feuling for the M8. Fits: 2017-2018 M-Eight Engine (Oil Cooled Only) Available in HP+® or RACE SERIES® kits Quieter and smoother engine operation Increase oil...

Increase flow capacity and add an adjustable pressure relief valve for the best in performance and reliability. Buy the Kit and Save Money Precision Machined from Billet Aluminum Independent Scavenge Sections for Flywheel Cavity and Cam...

Rocker box set is the replica style, cast construction, with highlight polished aluminum on the flat surface face. Fits: FL 1966-1984FX 1971-1984FLT 1979-1983FXR 1982-1983 Accurately cast with the later shape. Order gaskets and studs separately.

Chrome front and rear rocker box covers for Shovelheads are cast aluminum with chrome finish. Fits: FL 1966-1984FX 1971-1984FLT 1979-1983FXR 1982-1983 Sold as a pair. Order studs separately.

Polished rocker box set fits 1966-1984 Shovelhead motors. Fits: FL 1966-1984FX 1971-1984FLT 1979-1983FXR 1982-1983 OEM #17518-80

Fully assembled and tested for oil pressure. Fits: FL 1941-1947 Replica 74" knucklehead long block does not include the carburetor and generator. Unit features Replica crank cases, rocker boxes with natural finish and overhead oiler provision from...

Shipped assembled. Fits: FL 1941-1947 74" Short block is shipped fully assembled. Unit features Replica crankcases, Sifton oil and breather assembly, stock stroke flywheel, Timken bearings, stock cam properly installed with a matched pinion and cam...

Fully assembled and tested for oil pressure. Fits: FL 1936-1947 Replica 84" knucklehead long block is fully assembled less the carburetor and generator. Long block is shop tested for oil pressure. Unit features Replica crank cases, rocker boxes with...

Replica 74" Knucklehead long block is fully assembled and tested for oil pressue. The carburator and generator is not included. Manufactured of imported and domestic components, assembled in the U.S.A. Fits: FL 1941-1947 Unit features Replica crank...

Replica Knucklehead engine is fully assembled and tested for oil pressure. Fits: EL 1936-1947 Replica 61" knucklehead engine does not include the carburetor and generator. Order linkert carburetor separately. Unit features Replica crank cases, rocker...

Assembled and tested for oil pressure. FL 1936-1947 87" Knucklehead long block features alternator left hand case and generator right hand case. Long block is assembled with S&S crankcases, Sifton oil pump, S&S 4-5/8" flywheels, Timken main...

Mount your Knucklehead motor into a Evolution style frame with this motor mount from V-Twin Mfg. Fits: Custom Applications Top engine mount with a raw finish allows the installation of Knucklehead engines in Evolution frames.

Replace the factory plastic pieces with some Billet Aluminum tappet cuffs from S&S Fits: 2017-2018 M-Eight High-quality replacement Sold each Made in the U.S.A.