Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit and use low-resistance terminals for

and use low-resistance terminals for maximum conductivity

low-resistance

Crafted with precision and durability in mind

making it the ultimate choice for racers who demand reliability and precision

Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit and use low-resistance terminals forSpeedmaster engine hardware are premium grade, race quality componets that are created from aircraft quality 8740 high tensile strength chromoly steel, withstanding up to 190,000 PSI . They are ground and thread rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners. This ensures strength and consistent torque readings. All kits come complete with 4130 heat treated, parallel ground washers