Ford 239 312 Y-Block ARP Oil Pump Drive Shaft # 154-7906 Rate_20 Custom pistons are required when
Platform notes & fabric story
Description
Ford 239 312 Y Block ARP Oil Pump Drive Shaft # 154 7906 Rate_20 Custom pistons are required when Custom pistons are required when using connecting rods with any length other than OE length Primary Stage Opening Vacuum