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.
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-quality cast aluminum replacement pistons; kits include two pistons, wrist pins and clips.
OEM-quality replacement pistons for Twin Cam motors; includes two pistons, wrist pins and clips; accepts OEM or Hastings rings.
OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins and clips.
Direct-fit Big Bore piston for Twin Cam engines, built for durability and consistent performance.
Quality black vinyl cover with hook-and-loop fasteners. Fits OEM and Jagg Slimline oil coolers. Dimensions: 8" L x 2-1/4" W x 1-1/4" D. Made in the USA.
Big Bore piston for Twin Cam engines, ideal for performance rebuilds and restorations.
OEM-spec hydraulic camshaft, a dead-on reproduction of the '48–'84 Big Twins cams; ideal for restoring 74" and 80" engines.
Big Bore Piston designed for Twin Cam engines; precision replacement for performance upgrades and reliable operation.
Coated aluminum alloy pistons sold as a kit with wrist pins and clips; accepts OEM or Hastings rings (sold separately).