Active filters
Precision billet oil pump and matched camplate increase oil pressure and scavenging volumes. Includes camplate relief valve pre-set to 50–60 psi, added oil feed holes and cam journal groove for improved lubrication. Kit includes pump, camplate, retainer plate, and hardware.
- High-flow 2.250" chrome moly gerotor gears for increased oil volume
- Precision-machined relief valve; bench tested to seat at 30 psi, pop-off 55–60 psi
- 42% more scavenge volume and 68% more oil to bearings versus stock
- Magnet protection and corrected passages to reduce wet sumping and blow-by
- Requires matching high-flow cam plate (part #0932-0192) for optimized scavenge
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.
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.
Complete set of top, second, and oil control rings to restore sealing and oil control; includes rings for two pistons.
Complete replacement piston ring set including top, second, and oil control rings to restore compression and manage oil control. Includes enough rings for two pistons.
Includes top and second compression rings plus three-piece oil control rings; made in the USA; enough rings for two pistons.
Complete replacement piston ring set for two pistons, including barrel face top rings, Napier second rings, and three-piece oil control rings.
Includes top and second compression rings plus three-piece oil control rings; enough for two pistons.