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High‑performance cam that delivers strong mid and top end power while retaining low‑end usability. Requires carburetor/throttle body tuning, performance exhaust and intake, and upgraded valve train components. 2500–6900+ RPM.
Complete piston kit includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately). Coated skirts reduce friction and extend piston life.
Kit includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately). Coated piston skirts reduce friction and extend life.
Ideal for OEM replacement. Accepts OEM or Hastings rings (sold separately). Kit includes two pistons, wrist pins and circlips.
High-performance camshaft that shifts the powerband higher for more top-end horsepower. Requires high-lift springs, upgraded pushrods and lifters, plus high-flow intake and performance exhaust.
Precision sprocket spacers to restore chain alignment. Made in the U.S.A.
Precision spacers that improve drivetrain alignment and durability. Made in the U.S.A.
Durable spacers for cam drive sprockets that maintain chain alignment and extend component life.
Replacement ring set for S&S pistons. Includes rings for two pistons. Made in the USA.
Precision-machined spacers that ensure correct cam drive sprocket alignment and reduce wear. Made in the U.S.A.
Replacement rings sold as a set for one piston. Verify piston compatibility before purchase.
Replacement ring set for S&S pistons. Includes rings for two pistons. Made in the USA.
Bolt-in MR103 camshaft kit for 103" engines (9.7:1–10.5:1). Easier starting, full compression at speed. Includes hardware and instructions.