Recommended 0.002"–0.003" lifter-to-pin clearance; restores balance and reduces engine noise. Made in the USA.
Billet-machined breather bodies with square sealing faces for reliable umbrella valve sealing.
Longer exit nipples with dual O-rings for improved sealing.
Five internal drain ports engineered to drain while resisting splash-fill.
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-quality cast aluminum oil pump assembly with steel gears; gaskets and seals included.
Billet 6061 aluminum cam plate for Milwaukee Eight. Direct bolt-in replacement that improves oil flow and cam journal lubrication, reduces oil and engine temps. Directly accepts factory or Feuling® OE+ oil pumps. Made in the USA.
- 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
Complete oil system upgrade for M8 that increases oil flow, scavenge volume and pressure; reduces engine and oil temperatures; includes pump, lifters, camplate and installation hardware.
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.
Increases feed and scavenge capacity for M8 fourth generation engines; fits air-cooled models only.