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Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.
Complete replacement piston ring set with PVD coating: barrel face top rings, Napier second rings, and three‑piece flex vent oil control rings. Includes enough rings for two pistons.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
Bolt-in cam for M-Eight 107" and 114" engines; maintains stock compression and improves midrange torque.
Precision cam sprocket built for reliable valve timing and long service life.
Great mid-range torque and power with free-flow exhaust pipes and injector tuning.
Fits 124" and 128" big-bore motors with head work. Made in the U.S.A. Requires hi-lift springs.
Direct replacement cam drive sprocket. Replaces the stock 34-tooth unit; includes shims. Crankshaft sprocket is 17-tooth. Made in the U.S.A.