Active filters
Direct bolt-in replacement for EVO engines.
Compatible with stock valve springs, pushrods and lifters.
Responds well to performance exhaust and air cleaner.
Also benefits from increased compression and cylinder head work.
Optimal power in the 1650–5500 RPM range.
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.
Bolt-in camshaft for 103” engines. More power between 2,500–5,500 rpm. Works with stock and ported heads. Made in the USA. Professional installation required; check clearances and use proper tools.
Complete set including top, second, and three-piece oil control rings; barrel-face top rings and Napier second rings. Includes enough rings for two pistons.
Bolt-in camshaft kit for 103" engines; strong midrange power (3,000–6,000 rpm). Requires high-lift valve springs and clearance checks.
Tighter inner-diameter tolerance improves pinion fit and reduces cam timing variance. Made in USA.
Stock replacement roller chain drive sprocket. Made in the USA. Compatible with early 1999–2006 engines when upgrading to the hydraulic cam chain tensioner.
Stock replacement hydraulic cam chain tensioner assembly with single-piston operation and ARP® 12-point hardware. Fits factory and SE camplates 2007–2017 and conversion camplates for 1999–2006. Made in the USA.
Direct drop-in replacement with PTFE-enhanced polymer, single-piston tensioner performance, and included hydraulic lash units.
Complete replacement ring set for two pistons with PVD coating and three-piece oil control rings.
Complete replacement set with top, second, and three-piece oil control rings; PVD coating on top rings; includes rings for two pistons.
Complete replacement set with PVD-coated barrel face top rings, Napier second rings, and three-piece oil control for improved sealing and oil economy.