Engine

S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam Features: Precision CNC machined forged aluminum Increased structural strength Dimensional stability Freedom for internal porosity Separate scavenge sections...

S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Twin Cooled Engines™ delivers a 44% flow increase on the supply...

S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 91cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...

S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation, and even greater...

S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...

S&S Cycle - Wrinkle Black Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 89cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...

S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve...

S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation,...

S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat Great news: S&S heads are now available to be used with stock-style flat-top pistons! The kits are fully assembled and come...

S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve...

Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel hardware Fitment Milwaukee 8 Models  

Old-STF Cycle - Stainless/Black Rocker Box Split Oil Line fits '66-'84 Shovelhead The Old-STF Cycle Stainless/Black Rocker Box Split Oil Line is a high-quality kit that is designed to fit Shovelhead motorcycles from 1966 to 1984. This kit features...

Hofmann Designs - H/D Billet Timer Cover - Black fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel hardware Fitment Milwaukee 8 Models  

S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models This rocker arm stud kit lengthens  the life of your cylinder heads AND helps prevent damage to the rocker arm towers! You can re-torque the rocker arm nuts after installation. The kit...

Santoro Fabworx - Chacho Engine Bolt Kit fits '17-'23 M8 Softail & Touring Models Give your motor and trans a pop of color with Santoro Fabworx's colored Chacho Bolt Kits. All kits come with: Chacho Covers, Stainless-Steel Socket Head Hardware to...

S&S Cycle - 124" Hot Setup Kits Are you a Twin Cam owner? Would you like to convert your stock engine to 124"? Then the S&S Hot Setup kit for Twin Cams is for you! The kit comes to you in a black powder-coat finish and features 4,125" bore...

S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas) S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases displacement to 100" ('99-'06) and the cylinders fit...

S&S Cycle - 465 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate...

S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...

S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...

Arlen Ness - 10-Gauge Lifter Block Covers fits '17-'21 M8 Softail Models (Choose Finish) These 10-gauge lifter blocks act as replacements for OEM lifter blocks and accept factory and aftermarket pushrod tubes. Available in your choice of a chrome, black...

Feuling - 12-Point Black Oxide Internal Engine Fastener Kit for '17-'23 M8 Softail Reduce the stress on your M8 cylinder heads with the help of this Internal Engine Fastener Kit. A stud transfers the stress from the standoff casting into the stud. Also...

Feuling - HP+® One-Piece Pushrods for '17-Up M8 Softail Features Feuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter...

Feuling - 465 Race Series® Chain Drive Camshaft Kit for '17-Up M8 Softail Oil-Cooled Motors NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See...

Feuling - 465 HP+ Chain Drive Camshaft Kit for '17-Up M8 NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See "Also Bought" section). Features Include...

S&S Cycle - Chain-Drive Camchest Kits W/ 510C Standard Cams for '99-'06 Twin Cam (Except '06 Dyna) Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine performance - higher lift and optimized cam...

S&S Cycle - Chain-Drive Camchest Kits W/ 585C Standard Cams for '07-'17 Twin Cam, '06 Dyna Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine performance - higher lift and optimized cam...

S&S Cycle - Chain-Drive Camchest Kits W/ 585CE Easy Start Cams for '99-'06 Twin Cam (Except '06 Dyna) NOTE: Part # 0925-1108 requires the use of high-lift valve springs (See "Also Bought" tab). Features Upgrade to S&S bolt-in performance...

S&S Cycle - Gear-Drive Camchest Kits W/ 509G Standard Cams for '99-'06 Twin Cam (Except '06 Dyna) Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine performance - higher lift and optimized cam...

S&S Cycle - Gear-Drive Camchest Kits W/ 585GE Easy Start Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06 Twin Cam (Except '06 Dyna). Please double-check...

S&S Cycle - Gear-Drive Camchest Kits W/ 551GE Easy Start Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06 Twin Cam (Except '06 Dyna). Please double-check...

S&S Cycle - Gear-Drive Camchest Kits W/ 510G Standard Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06 Twin Cam (Except '06 Dyna). Please double-check the...

Feuling - 630 Race Series® Chain Drive Camchest Kits for all '07-'17 Twin Cam and '06 Dyna Glide Features All necessary components from top to bottom of the camchest All parts work and function together in total harmony Provide maximum...

Feuling - 594 Race Series® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with the '07-'16 outer cam journals permitting...

Feuling - 574 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For all '07-'17 Twin Cam and '06 Dyna Glide, or (2) For all '99-'06 Twin Cam (Except '06 Dyna Glide). Please double-check...

Feuling - 525 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For all '07-'17 Twin Cam and '06 Dyna Glide, or (2) For all '99-'06 Twin Cam (Except '06 Dyna Glide). Please double-check...

Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide) Features Feuling® complete camchest kits include all necessary components from top to bottom of the camchest conveniently packaged under...

S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...

S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features Oil Pump/Cam Plate: Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removable for servicing Independent...

S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive Reverses...