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I have pretty much every Ratio produced
All top name brand Steel Spools
741/657...................$750.00
742/489...................$950.00
I often would test a different ratio every single
week in my Stock and Superstock cars
Google: John Irving Drag Racer
and my son: Jon Irving Drag Racer
All top name brand Steel Spools
741/657...................$750.00
742/489...................$950.00
I often would test a different ratio every single
week in my Stock and Superstock cars
Google: John Irving Drag Racer
and my son: Jon Irving Drag Racer















