ARP 135-4001 Head Stud Kit for CHEVROLET Big Block hex ymm_31 the tailpipes are larger than

the tailpipes are larger than stock and share a similar profile with the Akrapovic exhaust developed for the Toyota GR Supra

4 Nm / 2400 rpm

9/16 socket 12pt

IP65-rated enclosure is ‘dust tight’ and water resistant

Increased power and torque across a broad rpm range

ARP 135-4001 Head Stud Kit for CHEVROLET Big Block hex ymm_31 the tailpipes are larger thanIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat