OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10533 22303 Simply snap them in and

Simply snap them in and install standard 350 bearings

MAF / PCM / Throttle Pedal / Wiring Harness

4-1/2 in Round Outlet

This bolt-in kit mounts using existing holes in the firewall and includes a Strange Engineering master cylinder

Low height to fit under a stock or mildly modified hood

OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10533 22303 Simply snap them in andProduct Description: Main Stud Kit Patriot Series Hex Nuts 2 Bolt Mains Chromoly Black Oxide Big Block Chevy OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.