Active filters
Precision-machined castings; inner functional cover with decorative bolt-on outer cover; internal breather passage vents the crankcase; accepts points or electronic ignition systems; made in the U.S.A.
Performance upgrade with precise deck height and wristpin fit; not compatible with twin cooled or '17 touring models.
High-quality heat-treated cam drive component, made in the U.S.A.; recommended for professional installation.
Durable forged pistons for big bore builds. Compatible with stock rods with tapered wristpin ends. Cylinders may be bored to fit; machine to nominal diameter for correct clearance.
Complete piston kit with pistons, rings, wrist pins and clips for S&S Motors. Made in the U.S.A.
Complete piston kit with rings, wrist pins and clips for full motor replacement.
Made in the U.S.A.
OEM-spec hydraulic camshaft, a dead-on reproduction of the '48–'84 Big Twins cams; ideal for restoring 74" and 80" engines.
Reverses rear cam rotation for increased cam lift potential and improved valve timing accuracy. Professional installation required; cam bearings and gaskets must be replaced.
High-lift camshaft for modified engines with 106"+ displacement and 10.0:1–11.0:1 compression.
Not a bolt-in kit; professional installation required.
Kit contains camshafts, bearings, gearcover gasket, retaining ring, o-ring, thread lock and instructions.
Installer must verify coil bind and clearances. Made in the USA.
Replacement ring set for S&S pistons; includes rings for two pistons; made in the USA.
Replacement ring set for S&S pistons; includes rings for two pistons and made in the USA.
Replacement ring set for two S&S pistons. Made in the USA.
Bolt-in cam kit for 2200–5200 RPM performance; boosts horsepower past 100. Compatible with compression ratios up to 11.0:1. Includes bearings, o-rings, and hardware. No tuning required.