ARP

12 Point; 1/2 Inch - 20 Thread Size; 9/16 Inch Socket Size; 180000 PSI Tensile Strength; Black Oxide; Chrome Moly; 10 Piece Pack

12 Point; 3/8 Inch - 24 Thread Size; 1/2 Inch Socket Size; 180000 PSI Tensile Strength; Black Oxide; Chrome Moly; 10 Piece Pack

12 Point; 5/16 Inch - 24 Thread Size; 3/8 Inch Socket Size; 180000 PSI Tensile Strength; Black Oxide; Chrome Moly; 10 Piece Pack

12 Point; 7/16 Inch - 20 Thread Size; 1/2 Inch Socket Size; 180000 PSI Tensile Strength; Black Oxide; Chrome Moly; 10 Piece Pack

Chrome Moly; 1.300 Inch Outside Diameter; 9/16 Inch Inside Diameter; 0.120 Inch Thick; Black Oxide; Single

For Use With Chevy Small Block With Standard 2 Piece Cork Gasket; 265/ 400 Cubic Inch; Black Oxide; Chrome Moly; Hex Style Head Type; With Washers

For Use With 351W Ford; APR2000 Steel; 220000 PSI

For Use With 390/ 428 Cubic Inch FE Series Ford; APR2000 Steel; 220000 PSI

For Use With Chevy Big Block/ Small Block/ 90 Degree Deluxe

For Use With All Chevy Small Blocks; 8740 Steel; 190000 PSI

For Use With Small/ Big Block Chevy; Hex Style Head Type; Black Oxide; Chrome Moly; With Nuts/ Washers

For Use With Small/ Big Block Chevy; 12 Pi; Black Oxide; Chrome Moly; With Nuts/ Washers