Engine Piston Ring Set - .040 Oversize for 1957-1980 Chevrolet/Oldsmobile/GMC 6.0L 6.6L (Impala, Bel Air, K20 Suburban, C20 Suburban)
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The Hastings Engine Piston Ring Set - .040 Oversize (part number 661040) is a direct-fit replacement for 1957-1980 Chevrolet, Oldsmobile, GMC, and Plymouth vehicles with 6.0L, 6.6L, and 5.7L engines.
Specifications:
| 1st Oil Groove | 3/16 |
| 1st Oil Ring Material | STEEL RAIL/STAINLESS EXP |
| 1st Oil Ring Surface Treatment | CHROME |
| 2nd Groove | 5/64 |
| 2nd Ring Surface Treatment | PHOSPHATE |
| Bore Size (in) | 4.125 |
| Oversize (mm) | 1 |
| Top Groove | 5/64 |
| Top Ring Surface Treatment | PHOSPHATE |
Fits: 1957-1980 Chevrolet, Oldsmobile, GMC, Plymouth, and Dodge models including Impala, Bel Air, K20 Suburban, C20 Suburban, K10 Suburban, Biscayne, Caprice, Monte Carlo and more - 6.0L, 6.6L, and 5.7L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Top Ring Surface Treatment: Phosphate; Weights: 1.250lb
Interchanges With: Sealed Power 208P, Sealed Power 221P, Sealed Power 22P, Sealed Power 23P, Sealed Power 276P, Sealed Power 277P, Sealed Power 301P, Sealed Power 344P and 17 more