Precision-machined oil system packs for M8 engines that increase oil flow, scavenge volume and pressure while reducing temperatures and wet sumping. Includes pump, lifters, high-flow camplate and installation kit.
Active filters
Replacement spring and plunger assembly for oil pump pressure relief valve — increases pop‑off psi and restores proper bypass control. Bench‑test with PART #3801-0071.
Compact crankcase vent filter for reliable ventilation and easy installation.
Precision J-form cylinder stud kit with eight studs, moly assembly lubricant, and thread sealant. Stock replacement and reusable; manufactured by ARP® in the USA.
Stud and nut kit that reinforces rocker arm shaft standoffs to help prevent cylinder head cracking.
Reduces rocker arm end play and engine noise. Recommended side clearance: 0.0035" - 0.005". Helps limit wear on M8 rocker standoffs. Professional installation required. Made in the USA.
High-performance camshaft that preserves low-end rideability while delivering strong mid and top end power. Requires supporting upgrades and professional tuning.
Complete camshaft installation kit with bearings, ARP bolts, gaskets and seals. Made in the U.S.A.
Precision machined 6061 billet aluminum points cover that bolts to the factory cam cover; includes stainless button head fasteners.