Chevy Sbc 350 12 Point Black Oxide Intake Manifold Bolt Kit We control the entire machining

We control the entire machining process and use only premium materials

designed for twin barrel carbys

valve cover gaskets

The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to their superior strength

Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks

Chevy Sbc 350 12 Point Black Oxide Intake Manifold Bolt Kit We control the entire machiningSpeedmaster black oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision machined for optimum thread engagement and have a wide area flange for better load distribution. They also feature precision rolled threads, which prevent galling, while promoting more consistent torque loading.