S&S CYCLE

Cylinder fits to piston; no machining required TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity Inclu...

Increased fin area for better heat dissipation Increase bore size from 3.750" to 3.927" 4 3/8" stroke, 10:1 comp. w/ stock heads Easy installation;...

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders...

 NOTE: Not recommended for trike models. Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or spli...

Huge bore increase (4.320") means huge power increase Retains stock engine height Powder coat finish match factory finish, giving the bike a “sleep...

Huge bore increase (4.320") means huge power increase Retains stock engine height Powder coat finish match factory finish, giving the bike a “sleep...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

Transform 107" oil-cooled M8 into 129" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are retained MLS (mul...

S&S Cycle Fuel Line Insulator 5/8in x 12in

Huge displacement increase means huge power increase Works with stock crankcases (no machine work) Powder coat finish match factory finish MLS (mu...

Huge bore increase (4.320") means huge power increase Retains stock engine height Powder coat finish match factory finish, giving the bike a “sleep...

Transform the 114" or the 117" oil-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are r...

Transform the 114" or the 117" oil-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are r...

Transform the 114" or the 117" oil-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engine S&S ...

Transform the 114" or the 117" oil-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are r...

Transform the 114" or the 117" oil-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are r...

Transform the 114" or the 117" water-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are...

Transform the 114" or the 117" water-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are...

Transform the 114" or the 117" oil-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are r...

Transform the 114" or the 117" water-cooled M8 into 132" Performance matched 550 cam Works with stock crankcase Original engine serial numbers are...

Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engine S&...

Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained Powder coat finish matches factory finish MLS (mu...

Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained Powder coat finish matches factory finish MLS (mu...

Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained Powder coat finish matches factory finish MLS (mu...

S&S Cycle 79-84 BT Super G Carb Kit

S&S Cycle Cam Needle Bearing - Each

S&S Cycle Button Flanged SHC M6 x 14mm Screw Stainless Steel

S&S Cycle Packaged KN-Series Tube inYin Oil Feed

S&S Cycle 17+ M8 Models Gear Drive Water Cooled w/ Chrome Pushrod Tubes 475G Cam Chest Kit

Cylinder Heads: High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1.00 mm (EU 1,00 mm) oversized intake and exhaust...

S&S Cycle Straight 1/8-27 NPTF x .375in w/ 5/16 T Zinc Steel Fitting Hose

S&S Cycle Main Bearing Oil Seal - 5 Pack

S&S Cycle 93-12 BT Air Cleaner Stock CV & Delphi EFI 5/8in Slotted Tab Backplate Assemb.

S&S Cycle 1.940in KN-Series Intake Valve

S&S Cycle 99+ BT w/ Twin Cooled Heads .030in 4-1/8in Layered Steel Head Gasket - 2 Pack

S&S Cycle 38-47 BT Bottom Valve Spring (Tins) Seal Type Black Anodize KN-Series Cover Kit

S&S Cycle 4.425in Bore 4-3/8in Bolt Pattern Packaged WBlack 2006+ Dyna Crankcase Assembly

S&S Cycle 02-05 BT 2001 Softail S&S 58mm Throttle Body Size Code 408 Cable Operated Kit

S&S Cycle 07-16 Touring Models T111 LC 585GE Cams Black Chrome Billet Assembled Engine

S&S Cycle O-Ring Manifold 86-Up XL

S&S Cycle 84-99 BT Tapered S&S Flywheels +.250in Packaged Standard Pinion Shaft Assembly

S&S Cycle Rocker Arm Shafts

S&S 4.3in Bore 4-1/2in Stroke Cam Black Granite w/ Highlight 17 M8 Power Pack Oil Cooled

S&S Cycle .312in x 1in Steel Dowel Pin