Description
Speed Pro Premium Piston Rings 3.780" Bore 1.50 x 1.50 x 3.00 mm Thick Standard Tension Moly 7 5 8 PLUS Impact NASCAR (SFI 16 WEI7155 Impact NASCAR (SFI 16 1970 1974 Ford E 300 Econoline or cruisin' down the road from cutting edge Digital Diamond Profiled™ pistons to A Series® bearings