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.
Adjustable front stabilizer link for HD Touring frames with reverse-thread rod end and ARP stainless bolts; available in black anodized, gold anodized, or machined finish. Made in the USA.
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.
Premium Feuling High Load Beehive® valve spring kit for performance engines. Allows up to 0.750" lift; includes 10° titanium retainers, chromoly spring seats and Viton® seals. Made in USA.
Premium High‑Load BeeHive® valve spring kit engineered for high‑lift cams. Includes lightweight 10° retainers, machined spring seats, shims, locks and Viton® seals. Up to 0.750" lift; coil bind 1.125"; made in the USA.
High-quality Viton® seals for high-temperature engine use. Spring-loaded wiper minimizes valve stem friction. Made in the USA.
Raises valve spring retainer to gain 0.050" installed height without machining the cylinder head spring set. Made in the USA.
High-fatigue Beehive® valve spring kit for performance engines; direct replacement for many Big Twin and XL models.
- High-temperature resistant Viton® construction
- Spring-loaded wiper clears excess oil with minimal friction
- Made in the USA