MANLEY/TOTAL SEAL Ductile Iron Piston Rings [Bore Size 4.070/4.075 | File Fit/Drop In | Ring Widths 1.5mm x 1.5mm x 3mm | Oil Ring Tension 9-13 lbs.] : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS