Rotating Assembly - 383 CID - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.030 in Bore - 5.700 in H Beam Rods - Small Block Chevy - Kit Brand-EAGLE MPN 12107030 . **NOTE: Truck Freight NO
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/