Romac 0202 – Harmonic Balancer Chevrolet Small Block 6.200 Internal
Chevrolet Small Block 6.200″ Internal Harmonic Balancer (400) Steel Inner and Outer Minimum Bore Diameter 1.247″ Maximum Bore Diameter 1.2475″ Seal Diameter 1.770″ Nominal Outside Diameter 6.200″ Pulley Grooves 0 Serpentine Grooves 0 Nominal Overall Length 2.400″ Bolt Holes 3