Piston Ring Set 4.530 1/16 1/16 3/16 Piston Rings - Premium Ductile Moly - 4.530 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Ductile Iron - Plasma Moly - 8-Cylinder - Kit MSRP: Was: Now: $143.99 Add to Cart