Engine Piston Ring Set - .030 Oversize for 1970-1976 Pontiac 7.5L (Bonneville, Catalina, Grand Prix, Firebird) 2M643030
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The Hastings Engine Piston Ring Set - .030 Oversize (part number 643030) is a direct-fit replacement for 1970-1976 Pontiac vehicles with 7.5L engines.
Specifications:
| 1st Oil Groove | 3/16 |
| 1st Oil Ring Material | STEEL RAIL/STAINLESS EXP |
| 1st Oil Ring Surface Treatment | CHROME |
| 2nd Groove | 1/16 |
| 2nd Ring Surface Treatment | PHOSPHATE |
| Bore Size (in) | 4.151 |
| Oversize (mm) | 0.75 |
| Top Groove | 5/64 |
| Top Ring Surface Treatment | PHOSPHATE |
Fits: 1970-1976 Pontiac models including Bonneville, Catalina, Grand Prix, Firebird, LeMans, Grand Safari, Grandville, Parisienne and more - 7.5L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Top Ring Surface Treatment: Phosphate; Weights: 1.267lb
Interchanges With: Sealed Power 417NP, Sealed Power 9260X, Sealed Power E300X, Sealed Power L2359F, Sealed Power L2423F, Mahle 50962