ARP 135-3701 Head Bolt Kit for CHEVROLET Big Block 12pt ymm_46 Impala 1958-1985
Baker’s notes & crumb story
Description
Impala 1958-1985
The change in performance is a noticeable factor when compared to the stock exhaust system configuration
By replacing standard bolts with high-strength studs
Material: Inconel
ARP 135-3701 Head Bolt Kit for CHEVROLET Big Block 12pt ymm_46 Impala 1958-1985It 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