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High-performance camshaft kit for 88–103 CID engines that improves valve timing accuracy and boosts performance around 3200–3700 rpm. Professional installation required.
Gear-drive camshaft kit for 88–110 cu in engines; increases timing accuracy and enables higher lifts. Requires inner cover material removal, a hydraulic press and professional installation.
Made in the USA. Direct replacement for 1966–1984 models. Durable construction for reliable service and restoration.
Precision-machined and finish-ground pinion gear. Made in the USA.
Dyno- and track-tested cam offering strong low- to mid-range power for 80"–96" motors. Compatible with hydraulic tappets; requires high-lift springs. Made in USA.
Aramid‑reinforced graphite head gaskets with a steel core and stainless fire ring. Made in the USA.
Premium top-end gasket kit. Made in the USA. Rocker box gaskets sold separately.
Motor Case Set designed for reliable protection and alignment. Made in the U.S.A.
Complete bolt kit for primary and derby cover installation. Made in the U.S.A.
Precision valve guide for S&S Super Stock and stock Harley-Davidson cylinder heads. Made in the USA.