Rotating Assembly - 501 CID - Cast Crank - Forged Pistons - 4.140 in Stroke - 4.390 in Bore - 6.800 in I Beam Rods - Big Block Ford - Kit

Rotating Assembly - Street / Strip - 545 CID - Forged Crank - Forged Pistons - 4.500 in Stroke - 4.390 in Bore - 6.700 in H Beam Rods - Big Block Ford - Kit

Rotating Assembly - 499 CID - Forged Crank - 4.150 in Stroke - 4.372 in Bore - 6.760 in H Beam Rods - Mopar B / RB-Series - Kit

Upgrade your engine with the BBM RB Rotating Assembly Kit for top-notch performance. This competition-ready kit features a 535 CID forged crank, forged pistons, and high-quality H beam rods, perfect for maximizing power and durability in your Mopar...

Rotating Assembly - 493 CID - Forged Crank - Forged Pistons - 4.150 in Stroke - 4.350 in Bore - 6.760 in H Beam Rods - Mopar RB-Series - Kit

Rotating Assembly - 505 CID - Forged Crank - Forged Pistons - 4.250 in Stroke - 4.350 in Bore - 7.100 in H Beam Rods - Mopar RB-Series - Kit