Arp Ford Mod Flywheel Blt Kt 254-2801

For Use With 4.6L/ 5.4L Ford Modular V8; 1.000 Inch Under Head Length; 10 Millimeter x 1.0 Thread Strength; 200000 PSI Tensile Strength; 12 Point Head Type; Black Oxide; Chrome Moly; Pack of 8