MANLEY/TOTAL SEAL Premium Steel Piston Rings [Bore Size 4.125 | File Fit | Ring Widths 1.5mm x 1.5mm x 3mm | Oil Ring Type Tension 9-13 lbs.] (GM LS & L92) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS