Eagle Rotating Assembly - Cast Crank - Forged Pistons - 4.250" Stroke - 4.155" Bore - 6.800" I-Beam Rods - Pontiac V8 10001501 Dual 3" Mandrel-Bent Tubes:

Dual 3" Mandrel-Bent Tubes:

Retains factory-style spring cup

system capacity

In order to achieve a flatter flow curve

1994-2007 Ford F-150

Eagle Rotating Assembly - Cast Crank - Forged Pistons - 4.250" Stroke - 4.155" Bore - 6.800" I-Beam Rods - Pontiac V8 10001501 Dual 3" Mandrel-Bent Tubes:Engine Crankshaft Rotating Assembly Assembly must be balanced by qualified machine shop before use! Not compatible with 1976 Pontiac 400 blocks due to factory notches at the top of cylinders. Eagle Specialty Products provides quality engine parts to some of the world's most respected engine builders. Unlike some manufacturers Eagle never compromises quality for the sake of a lower price. Eagle Specialty Products use only the newest, state of the art