OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Dart Big M - Splayed Cap Bolts - Big Block Chevy PTN6-604BL 1-1/2 in Breather Tubes

1-1/2 in Breather Tubes

Compatible with XRP Stainless Steel CPE race hose and XR-3

or larger bore

4-Piece Dash Panel That Replace Stock TrimAuto Meter Gauges are the number one choice of professional racers worldwide

OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Dart Big M - Splayed Cap Bolts - Big Block Chevy PTN6-604BL 1-1/2 in Breather TubesProduct Description: Main Stud Kit Patriot Series Hex Nuts 4 Bolt Mains Chromoly Black Oxide Dart Big M Splayed Cap Bolts 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.