This rotating assembly will take your mild mannered 000 to a heavier hitting 000 in your 0000-0000 Mustang. A Series 0000 cast steel crankshaft offers a 0.000" stroke & swings a set of bushed 0.0" long Pro-stock I-beam rods featuring ARP 0000 0/0" capscrews. For maximum power and reliability, Scat adds a set of rod and main bearings and tops it off with a set of Forged pistons & rings. These Scat Street Strip rotating assemblies are designed to be used with 00oz. balance Flywheel and Harmonic balancer.  