Stronger the OEM, suited for use on cars that use rear motor plates. Manufactured from ARP300, stainless steel material that is stronger than Grade 8 hardware. Easily withstand 10-15 pound starter. Bolts have standard shank knurling , rated at 170,00PSI, includes washers, as required.
Part Number	Application
CHEVROLET,
AR430-3502	All Standard, hex
AR430-3504	All with High Torque Starter, hex
AR430-3505	All with long and short