Eagle 383 CID Rotating Assembly - Cast Crank - Hypereutectic Pistons - 3.750 in Stroke - 4.030 in Bore - 5.700 in I Beam Rods - Small Block Chevy B15455E030 MT-GEN-BR-MM-RM Square bore

Square bore

's are fully chamfered for retainer clearance

Taper fits most fabricated and Impala spindles

970 in Long

and requires minimal preparation when welding

Eagle 383 CID Rotating Assembly - Cast Crank - Hypereutectic Pistons - 3.750 in Stroke - 4.030 in Bore - 5.700 in I Beam Rods - Small Block Chevy B15455E030 MT-GEN-BR-MM-RM Square boreProduct Description: Rotating Assembly 383 CID Cast Crank Hypereutectic Pistons 3. 750 in Stroke 4. 030 in Bore 5. 700 in I Beam Rods Small Block Chevy 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 equipment and highly skilled craftsmen to