ARP 97-01 Prelude H22A4 Main Stud Kit

Lock In Your Bottom End—So You Can Push Harder With Confidence.

Building or refreshing an H22A4 and don’t want the mains to be the weak link? The ARP Main Stud Kit is engineered to deliver superior clamping force and rock-solid main cap retention—helping your engine stay together under high RPM, heat, and sustained load.

Why serious builders choose ARP:

• Stronger, more consistent hold than factory hardware to reduce cap walk and maintain bearing stability
• Built for performance engines where cylinder pressure and RPM demand more from the bottom end
• Precision-manufactured fasteners made from premium materials using ARP’s proven processes
• Trusted by engine shops and racers worldwide for repeatable results build after build

Quality you can verify, not just “feel”: ARP maintains rigorous, documented manufacturing standards with operations that are ISO 9001 and AS9100 registered—supporting the consistency, traceability, and precision demanded in high-performance environments.

Perfect for: H22A4 builds where you want maximum reliability—from spirited street driving to track days and competition-level setups.

When failure isn’t an option, upgrade the hardware that holds everything together. Add the ARP 97-01 Prelude H22A4 Main Stud Kit to your cart and build with confidence.