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Broad, smooth power from 1900–6000 RPM; bolt-in fit for stock to mid 96" and 103" engines.
- More power than 525 cams without losing low-end torque
- Smooth, quiet valve train with refined cruise power band
- Bolt-in for stock to mid 96" and 103" engines; responds well to compression, exhaust, and air-flow upgrades
OEM-quality cast aluminum replacement piston kit; includes two pistons, wrist pins and clips.
OEM-quality replacement piston kit. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.
OEM-quality cast aluminum alloy piston kit; includes two pistons, wrist pins, and clips. Rings sold separately.
OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins, and clips; accepts OEM or Hastings rings.
Direct-fit Big Bore piston for Twin Cam engines, built for durability and consistent performance.
Big bore piston for Twin Cam engines, precision-machined for durability and performance.
OEM-spec hydraulic camshaft; faithful reproduction of the stock '48–'84 Big Twin cams. Ideal for 74" and 80" engine restorations.
Wide, rideable powerband for stock engines.
Split lift character with top fuel sound.
Use with stock pushrods and valve springs; lifter change recommended.
Complete camshaft installation kit with gaskets, bearings, bolts and seals for full cam and crank service. Made in the USA.
Complete installation kit with gaskets, bearings, and ARP® hardware for reliable camshaft assembly.
Durable, precisely machined piston kit that delivers reliable compression and long service life. Built for easy installation and consistent operation.
Easy-start camshaft kit for 103" engines; bolt-in design, high-rpm power band, includes hardware. Not for models with OEM compression releases.
Reduces crank compression for easier starts, then restores full compression for normal running. Fits 95", 96", 103" and 110" engines with 10.5:1–11.5:1 compression; requires high-lift springs and adjustable pushrods. Not for models with OEM compression releases.