Engine Piston Ring Set - Standard Size for 1977-1980 Pontiac/Chevrolet/Oldsmobile 2.5L (Sunbird, Phoenix, Astre, Ventura) 41240CP
Always the correct part
Call or Chat
60-Day Returns Accepted
Free Ground Shipping
The Mahle Engine Piston Ring Set - .030 Oversize (part number 41240CP.030) is a direct-fit replacement for 1977-1980 Pontiac, Chevrolet, Oldsmobile, and American Motors vehicles with 2.5L engines.
Specifications:
| Top Ring Material | Carbon Steel |
| Oil Ring Assembly Material | Stainless Steel |
| Top Ring Thickness (Axial Height) | 0.0781 in |
| Oil Ring Assembly Thickness (Axial Height) | 0.1875 in |
| Piston Ring Oversize | 0.030 in |
| Bore Diameter (in) | 4.030 |
| Second Ring Thickness (Axial Height) | 0.0781 in |
| Piston Ring Face Coating | Plasma-Moly |
| Second Ring Material | Cast Iron |
| Item Grade | Premium |
Fits: 1977-1980 Pontiac, Chevrolet, Oldsmobile, American Motors, and Jeep models including Sunbird, Phoenix, Astre, Ventura, Monza, Starfire, Concord, Spirit and more - 2.5L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: Size 0.030in; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Plasma-Moly; OCR-Chrome; Axial Height UCR-5/64in; LCR-5/64in; OCR-3/16in; Ring Type UCR:RF-13PF; LCR:RBT-10; OCR: CP-20; Deep Groove
Interchanges With: Sealed Power E381K30, Hastings Piston Rings 2M5570030