ARP

Universal; 3/8 - 16 Inch Thread Size; 1.000 Inch Length; Hex Style Head Type; Stainless; Natural; Stainless Steel; Set of 16

Universal; 3/8 - 16 Inch Thread Size; .750 Inch Length; 12 Point Head Type; Stainless; Natural; Stainless Steel; Set of 12

Universal; 3/8 - 16 Inch Thread Size; .750 Inch Length; Hex Style Head Type; Stainless; Natural; Stainless Steel; Set of 12

For Use With Chevy Small Block; 3/8 - 16 Inch Thread Size; .750 Inch Length; 12 Point Head Type; Black Oxide; Black; Chrome Moly; Set of 12

For Use With Chevy Small Block: For Use With OEM Cylinder Heads And Most Edelbrock/ LT-AFR/ Brodix -8; -10; -11; -11xb/ LT-1/ Dart Pro -1/ Trick Flow Heads/ Most World Products Heads; Hex Style Head...

For Use With Chevy Big Block 348/ 402/ 427/ 454 cid; Hex Style Head Type; 180000 Pounds Per Square Inch Tensile Strength; Black Oxide; Chrome Moly; With Washers

For Use With Ford Small Block 289/ 302; Factory Heads/ Edelbrock Heads 60259/ 60379; Hex Style Head Type; 180000 Pounds Per Square Inch Tensile Strength; Black Oxide; Chrome Moly; With Washers

For Use With Chrysler Big Block 383/ 400/ 413/ 426/ 440 Wedge; Factory Heads/ Edelbrock RPM Heads 60919/ 929/ 149/ 189; Hex Style Head Type; 180000 Pounds Per Square Inch Tensile Strength; Black...

For Use With Chevy Small Block; 3/8 - 16 Inch Thread Size; .750 Inch Length; Hex Style Head Type; Black Oxide; Black; Chrome Moly; Set of 12

For Use With Chevy Big Block; 3/8 - 16 Inch Thread Size; .750 Inch Length; Hex Style Head Type; Black Oxide; Black; Chrome Moly; Set of 16

For Use With Chevy Small Block; 3/8 - 16 Inch Thread Size; .750 Inch Length; Hex Style Head Type; Stainless; Natural; Stainless Steel; Set of 12

For Use With Chevy Big Block; 3/8 - 16 Inch Thread Size; .750 Inch Length; Hex Style Head Type; Stainless; Natural; Stainless Steel; Set of 16