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.
Active filters
CNC-machined base plate with high-performance polyurethane isolator bushings. Made in the U.S.A.
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.
High-lift valve springs providing correct spring force for performance cams in 74" and 80" motors. Max lift; requires proper valvetrain setup. Made in the United States.
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.
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.
High Load Beehive® valve spring kit engineered for extreme fatigue life and high-lift camshafts; allows up to 0.750" lift.
High-temperature resistant seals with a spring-loaded wiper for low-friction oil control. 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-temperature resistant Viton® construction
- Spring-loaded wiper clears excess oil with minimal friction
- Made in the USA