What does '0.030 inch undersize' mean for these piston rings?

This means the rings are sized for pistons that have been machined to be 0.030 inches larger in diameter than their original factory size. This is common during engine rebuilds when cylinders are bored out to clean up wear or increase displacement.

Are these rings compatible with all 3.4L engines?

This specific set is designed for the 3.4L engine found in many GM vehicles between 1996 and 2008, often identified by VIN code E. It's important to confirm your vehicle's exact engine and year range match the fitment data.

What is the benefit of Moly rings?

Moly (molybdenum) coating on piston rings helps to reduce friction between the ring and the cylinder wall. This leads to improved lubrication, reduced wear, and can contribute to a longer service life for both the rings and the engine.

Mahle OE Piston Rings 41864CP.030 - Moly Ring Set

Name: Mahle Rings GMC Trk 3.4L 1996-2002 VIN Code E Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-gmc-trk-3-4l-1996-2002-vin-code-e-moly-ring-set-t14-49199
Price: 80.36 USD
Availability: BackOrder

Mahle Rings GMC Trk 3.4L 1996-2002 VIN Code E Moly Ring Set

$80.36

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 Moly Ring Set, 0.030 inch undersize. Reduces friction and oil consumption for a longer-lasting engine.

Key Features

Fits many Buick, Chevrolet, Oldsmobile, and Pontiac vehicles with the 3.4L engine.
This is a 0.030 inch undersize ring set, intended for use with bored-out pistons.
Designed to reduce engine friction and minimize oil consumption.
Built for a longer service life, contributing to engine efficiency.
Mahle OE rings meet original equipment requirements.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

These Mahle piston rings are 0.030 inch undersize, meaning they're designed to fit pistons that have been bored out slightly during an engine rebuild. Mahle is known for making technically advanced rings that meet original equipment requirements, focusing on reducing friction and minimizing oil consumption. This set is built to provide a longer service life for your engine, helping it run more efficiently.

When you're rebuilding an engine, especially one like the 3.4L found in many GM vehicles from the late 90s and early 2000s, getting the right piston rings is crucial for proper sealing and performance. These rings are designed to work with pistons that have been machined to a 0.030 inch oversize. Mahle's approach aims to improve the latest piston ring technology, so you can expect a well-built set that contributes to a solid engine rebuild.

This set fits a wide range of vehicles, including models like the Chevrolet Impala, Pontiac Grand Am, and Buick Rendezvous. Always double-check your specific vehicle's needs and piston dimensions to ensure this 0.030 inch undersize set is the correct choice for your engine build.