S&S Cycle 2017+ WC M8 Models Chain Drive 465C Cam Chest Kit w/ Chrm Pushrod Tubes - Incl. VVT

20 percent flow increase on supply side and 52 percent flow increase on scavenge.

S&S Cycle 2017+ M8 Models Cam Support Plate Kit - Incl. VVT

These 3-7/16" standard bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® stroker flywheels. Flywheels of the following strokes may be used...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from late from 96ci or 103ci to 110ci as well as adding matched cams/cam plate/oil pump and...

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal,...

This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. This is the largest bore (3.937") that can be fit in a stock engine case. Stock engine height is maintained so there are no manifold or frame fitment issues. The S&S...

Breather conversion kit for big twin engines updates earlier S&S air cleaner kits for 1993-1999 big twins to the latest breather hardware. Instead of o-rings, banjo fittings are sealed with durable silicon coated washers.

Boost any 883cc Harley-Davidson Sportster to 1200cc. No machine shop? No problem, no machining is needed. Don't want to rebalance your stock 883cc flywheels? You don't need to since these pistons weigh the same as stock 883 pistons. Cylinder head...

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal,...

This bolt-on big bore cylinder and piston kit will increase the displacement of 88" engines to 97". It is as easy as a stock top end rebuild and requires no machining or flywheel rebalancing. For best performance, appropriate camshafts, performance air...

S&S® 80" Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins W/ Stock Heads or S&S Performance Replacement Heads - STD.