ARP 594-9501 Engine & Accessory Bolt Kit for SB PONTIAC SS 12pt ymm_38 making every journey a memorable

making every journey a memorable experience and one that continues even after the throttle is released

Supports custom exhaust fabrication for race and performance builds

Electra 1985-1990

619˝ Cast Iron/Steel Hub Drill Bit Size (actual dim

please read the installation instructions below

ARP 594-9501 Engine & Accessory Bolt Kit for SB PONTIAC SS 12pt ymm_38 making every journey a memorableAvailable in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP 300 Series stainless steel material, and meet ARPs highest standards of quality. Rated at 180, 000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black