ARP

For Use With 1970 and Later AMC 304/ 360/ 390/ 401 cid; Hex Style Head Type; 180000 Pounds Per Square Inch Tensile Strength; Black Oxide; Chrome Moly; With Washers

For Use With 1970 and Later AMC 304/ 360/ 390/ 401 cid; For Use With Edelbrock Cylinder Heads; Hex Style Head Type; 180000 Pounds Per Square Inch Tensile Strength; Black Oxide; Chrome Moly; With...

For Use With Cast Aluminum Valve Cover; 1.500 Inch Overall Length; 1/4 Inch - 20 Thread Size; Hex Style Head Type; Polished; Stainless Steel; With Nuts/ Washers

For Use With Gen III/LS Series Chevy Small Block; 1-1/16 Inch Socket Size; 16 Millimeter x 2.0 Thread Size; 4.325 Inch Under Head Length

For Use With Chevy Small Block; 5/8 Inch Socket Size; 3/4 Inch - 16 Thread Size; 1.300 Inch Under Head Length

For Use With Chevy Big Block; 5/8 Inch Socket Size; 1/2 Inch - 20 Thread Size; 1.550 Inch Under Head Length

For Use With 289/ 460 Cubic Inch Ford; 5/8 Inch Socket Size; 5/8 Inch - 18 Thread Size; 2.050 Inch Under Head Length

For Use With Chevy Big Block; 13/16 Inch Socket Size; 1/2 Inch - 20 Thread Size; 1.550 Inch Under Head Length

For Use With Chevy Big Block; 8740 Steel; 190000 PSI

For Use With Chevy Big Block; 3/8 - 16 Inch Thread Size; 1.000 Inch Length; Hex Style Head Type; Black Oxide; Black; Chrome Moly; Set of 16

For Use With Chevy Big Block; 12 Point Head Type; 3/8 Inch Diameter; 1.670 Inch Overall Length; Polished; Stainless Steel; Set of 16

For Use With Chevy Big Block; 3/8 - 16 Inch Thread Size; 1.000 Inch Length; 12 Point Head Type; Stainless; Natural; Stainless Steel; Set of 16