S&S CYCLE

Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Feature greater overall strength than stock crankcasesStrong, dependable Timken®-style sprocket shaft bearingsClearanced...

Significantly increase performanceProvides more horsepower without sacrificing torque10.6:1 compression ratioSimple EFI tuning with three calibration downloads for Dynojet® Power Vision® tuner

Significantly increase performanceProvides more horsepower without sacrificing torque10.6:1 compression ratioSimple EFI tuning with three calibration downloads for Dynojet® Power Vision® tuner

Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compressionCast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...

Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compressionCast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...

S&S Cycle Cam Sprocket - Adjustable - Polaris 330-0753 Polaris -- RZR XP 1000 Sport 4x4 -- (2021, 2022, 2023); Polaris -- RZR XP 1000 4x4 -- (2020, 2019, 2015, 2017, 2014, 2016, 2018, 2021); Polaris...

For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam plate like the S&S TC3bodies machined from 6061 aluminumLarger diameter piston and tighter tolerance fit...

All-out horsepower cam for 124” and larger enginesDesigned specifically for use with monster bores and ported heads (not recommended for stock bore engines)Requires adjustable pushrods and heavy-duty...

All-out horsepower cam for 124” and larger enginesDesigned specifically for use with monster bores and ported heads (not recommended for stock bore engines)Requires adjustable pushrods and heavy-duty...

True 100+ Hp at the wheel in a warranty friendly packageBolt-in, legal performanceNo need for expensive dyno tuningDisplay vehicle data channels in real-timeWeather-resistant for use in all...

True 100+ Hp at the wheel in a warranty friendly packageBolt-in, legal performanceNo need for expensive dyno tuningDisplay vehicle data channels in real-timeWeather-resistant for use in all...

Designed to add even more torque to your big bore M8, for those that keep the revs below 6000 rpmKits include all required bearings, o-rings, and hardwareGear drive cams provide improved valve timing...