Eagle 383 CID Rotating Assembly - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.030 in Bore - 5.700 in H Beam Rods - Small Block Chevy KIT12008030 BR20041 This BBK under drive crank

This BBK under drive crank pulley kit is an easy way to free up an average 8-12 horsepower in under 30 minutes

Black / Silver Jeep Logo

230-700 lb/in Spring Rate

Accurate to within 1%

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Eagle 383 CID Rotating Assembly - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.030 in Bore - 5.700 in H Beam Rods - Small Block Chevy KIT12008030 BR20041 This BBK under drive crankEagle Street & Strip Rotating Assemblies are the perfect alternative to reworking O. E. Parts. Eagle takes great care to select the most cost effective parts for our Street & Strip assemblies without sacrificing quality. Eagle Street & Strip assemblies are recommended for use in naturally aspirated, pump gas, street engines. Eagle's commitment to quality and service has resulted in customer loyalty and satisfaction. This, in turn, has fueled rapid