Softail Engine

S&S Cycle - 910-0201 - Silver Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke,...

S&S Cycle - 910-0500 - Black Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore, 4⅜"...

S&S Cycle - 910-0480 - Silver Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore,...

S&S Cycle - 910-0481 - Black Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9...

S&S Cycle - 910-0482 - Silver Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke,...

S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...

S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...

S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines  This kit is designed to be used with stock heads or S&S heads with a stock bolt pattern and comes complete with fitted 10.9cc...

S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly...

S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine with an...

S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your...

S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into...

S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring a 3½"...

S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits These Bore Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored...

 S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement...

S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines Your Shovelhead will achieve the ultimate blast-from-the-past appearance of a Panhead with this...

S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars...

S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit Features: Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger...

S&S Cycle - 90-1293 - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads - Fits '99-'05 Twin Cam Models Fits: '99-'05 Twin Cam Models. Full year/model list is on the Fitment tab. S&S Cycle's...

S&S Cycle - 31-6294 - Billet Oil Pump Kit W/ Universal Cover - Fits '71-'77 Shovelhead Models Fits: '71-'77 Shovelhead Models. Full year/model list is on the Fitment tab. This kit comes with the...

S&S Cycle - 31-6307 - High Volume/High Pressure (HVHP) Polished Billet Oil Pumps W/ Universal Cover - Fits '78-'91 Evolution Big Twin Models Fits: '78-'91 Evolution Big Twin Models W/ Universal Cover...

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...

S&S Cycle - 106-3466 - Natural 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models Fits: '84-'99 Evolution Big Twin Models. Full year/model list is on the...

S&S Cycle - 106-4570 - Black Powdercoat 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models Fits: '84-'99 Evolution Big Twin Models. Full year/model list is on...

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...

S&S Cycle - Silver 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...

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...

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...

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...

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...

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

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...

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...

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...

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...

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)...

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...

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...

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...

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...