What does the '.030' in the part number mean?

The '.030' indicates that these piston rings are 0.030 inches undersize. This means they are intended for use in cylinders that have been bored out by 0.030 inches during an engine rebuild to ensure a proper fit with new pistons.

Why is reducing friction important for piston rings?

Reducing friction between the piston rings and the cylinder wall helps the engine run more efficiently. This can lead to less oil being burned, improved fuel economy, and a longer overall service life for the engine components.

Are these rings suitable for all 2.0L engines?

This specific ring set is designed for 2.0L Overhead Cam (OHC) engines from 1983-1994, commonly found in certain Buick, Oldsmobile, and Pontiac models. It's important to confirm your engine's specifications and year range match the fitment details.

Mahle OE Piston Ring Set 41470CP.030 - 2.0L OHC Engines

Name: Mahle Rings GMC Pass 121 2.0L OHC Eng 87-94 Chrome Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-gmc-pass-121-2-0l-ohc-eng-87-94-chrome-ring-set-t14-49308
Price: 29.17 USD
Availability: BackOrder

Mahle Rings GMC Pass 121 2.0L OHC Eng 87-94 Chrome Ring Set

$29.17

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle OE 2.0L OHC chrome piston ring set. Reduces friction and oil consumption for 1983-1994 GM vehicles.

Key Features

Fits 1983-1994 Buick Skyhawk, Oldsmobile Firenza, Pontiac Grand Am, Pontiac J2000, Pontiac LeMans, and Pontiac Sunbird models with 2.0L OHC engines.
This is a 0.030 inch undersize piston ring set, intended for use with bored cylinders.
Chrome plating on the ring surface helps reduce friction and wear.
Designed to minimize engine oil consumption.
Built to meet original equipment manufacturer requirements for performance and longevity.
Mahle OE piston rings are known for their advanced technology in friction reduction and ring mass.

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Will this fit your vehicle?

Product Details

These Mahle OE piston rings are 0.030 inches undersize, meaning they are designed to fit pistons that have been bored out slightly larger than their original size. This is a common practice when rebuilding an engine to ensure a fresh, tight seal. Mahle has been a leading name in engine components for a long time, and these rings are built to meet the demanding requirements of original equipment manufacturers. They focus on reducing friction within the cylinder, which helps minimize engine oil consumption and can contribute to a longer service life for your engine.

When you're rebuilding the top end of your engine, a good set of piston rings is crucial for proper compression and oil control. Mahle's design aims to balance performance with durability, using advanced technology to keep the rings light while still ensuring they seal effectively against the cylinder wall. This set is designed for 2.0L OHC engines found in a variety of GM vehicles from the mid-80s to the mid-90s, including models like the Pontiac Sunbird and Buick Skyhawk.