PRO/RACE Pro Sport SFI 18.1 Harmonic Balancer - 6.61 in OD - Internal Balance - Small Block Chevy 34265 SP600BK For applications up to 550

For applications up to 550 HP

Diameter - High Riser - H-3

Crank Trigger/Generator Cross-Over Switch

Retention system: Roll-off test and dynamic test to ensure strength of chin strap and its attachments

Drain interval : drain at least once a year and tune to your own use

PRO/RACE Pro Sport SFI 18.1 Harmonic Balancer - 6.61 in OD - Internal Balance - Small Block Chevy 34265 SP600BK For applications up to 550Product Description: Harmonic Balancer Pro Sport 6. 61 in OD SFI 18. 1 Iron Natural Internal Balance Small Block Chevy 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