Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit This Speedmaster LowRise manifold is

This Speedmaster LowRise manifold is a direct replacement for the stock manifold on 1957-95 Small Block Chevy non-EGR engines

low-resistance

true-roller chains teamed up with billet steel crank and cam sprockets

and use low-resistance terminals for maximum conductivity

Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit This Speedmaster LowRise manifold isSpeedmaster 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