Engine Piston Ring Set - .030 Oversize for 1999-2017 Chevrolet/GMC/Buick 5.3L 4.8L (Silverado 1500, Tahoe, Express 2500, Express 3500)
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The Hastings Engine Piston Ring Set - .020 Oversize (part number 2M4978020) is a direct-fit replacement for 1999-2017 Chevrolet, GMC, Buick, and Hummer vehicles with 5.3L and 4.8L engines.
Specifications:
| 1st Oil Groove | 3 |
| 1st Oil Ring Material | STEEL RAIL/STAINLESS EXP |
| 1st Oil Ring Surface Treatment | CHROME |
| 2nd Groove | 1.5 |
| 2nd Ring Surface Treatment | PHOSPHATE |
| Bore Size (in) | 3.780 |
| Bore Size (mm) | 96.00 |
| Notes | W/Shallow Top Grv. |
| Oversize (mm) | 0.5 |
| Top Groove | 1.5 |
| Top Ring Surface Treatment | PLASMA MOLY |
Fits: 1999-2017 Chevrolet, GMC, Buick, Hummer, and Saab models including Silverado 1500, Tahoe, Express 2500, Express 3500, Silverado 2500, Suburban 1500, Express 1500, Cheyenne and more - 5.3L and 4.8L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Sealed Power E937K, Sealed Power H1132CT, Sealed Power H856CP, Chevrolet 12456338, Chevrolet 12670787, Chevrolet 19208677, Buick 12456338, GMC 12456338 and 7 more