Engine Rocker Arm for 1977-1993 Chevrolet/Pontiac/Oldsmobile 2.5L (Celebrity, S10, LLV, Astro) MR-865
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The Hastings Engine Piston Ring Set - .060 Oversize (part number 2M5663060) is a direct-fit replacement for 1979-1993 Chevrolet, Pontiac, Oldsmobile, and Buick vehicles with 2.5L 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) | 4.000 |
| Notes | W/Shallow Oil Grv. |
| Oversize (mm) | 1.5 |
| Top Groove | 1/16 |
| Top Ring Surface Treatment | PLASMA MOLY |
Fits: 1979-1993 Chevrolet, Pontiac, Oldsmobile, Buick, and GMC models including Celebrity, S10, LLV, Astro, Camaro, Citation, S10 Blazer, Lumina and more - 2.5L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Top Ring Surface Treatment: Plasma Moly; W/Shallow Oil Grv.; Weights: 0.551lb
Interchanges With: Sealed Power E384K, Mahle 41559