PRO/RACE Pro Sport SFI 18.1 Harmonic Balancer - 7.520 in OD - Internal Balance - GM LS-Series 34261 MT-PRO-MM-25WP 2-1/2 in Diameter Pipe

2-1/2 in Diameter Pipe

and eight individual elastomers

CAUTION: Be sure that fan bolts don't protrude through the hub so far that they hit the water pump housing

F-100 1959-1957

Donovan 700

PRO/RACE Pro Sport SFI 18.1 Harmonic Balancer - 7.520 in OD - Internal Balance - GM LS-Series 34261 MT-PRO-MM-25WP 2-1/2 in Diameter PipeProduct Description: Harmonic Balancer Pro Sport 7. 520 in OD SFI 18. 1 Iron Natural Internal Balance GM LS Series Sold Individually Founded by renowned Australian drag racer Graham Withers , Pro Race Performance has produced performance engine components for more than 35 years. Pro Race is recognized for their All Steel line of crankshaft dampers, initially offered for the Holden 308 V8, and now offers high performance racing dampers for a wide range