ARP 131-4002 Head Stud Kit for GMC Vega 140 ymm_19 Evolution Header Set converts the

Evolution Header Set converts the slip-on system into a full system designed to give noticeably increased power at higher revs

Parisienne 1967-1974

Lightweight materials reduce vehicle weight and optimize performance

time: 120 min

If upgrading the slip-on system with evolution link pipe

ARP 131-4002 Head Stud Kit for GMC Vega 140 ymm_19 Evolution Header Set converts theIt 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