What does the '0.030' in the part number mean?

The '0.030' indicates that this ring set is 0.030 inches undersize. This means it's designed for engine cylinders that have been bored out to this specific larger diameter during an engine rebuild.

What is the benefit of a moly coating on piston rings?

The moly coating on the top ring helps to reduce friction between the piston and the cylinder wall. This can lead to improved engine performance and a longer service life by minimizing wear.

Are these rings compatible with all 1970-1976 Pontiacs?

This set is designed for specific Pontiac engines used in models like the Bonneville, Catalina, Firebird, and Grand Prix during the 1970-1976 model years. Always verify your specific engine and vehicle fitment before purchasing.

Mahle OE Piston Rings Moly Ring Set 40962.030

Name: Mahle Rings GMC 455 70-76 Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-gmc-455-70-76-moly-ring-set-t14-49336
Price: 100.71 USD
Availability: BackOrder

Mahle Rings GMC 455 70-76 Moly Ring Set

$100.71

On Backorder

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

Mahle Rings GMC 455 70-76 Moly Ring Set. Reduces friction and oil consumption for longer engine life.

Key Features

Fits 1970-1976 Pontiac Bonneville, Catalina, Firebird, Grand Prix, and many other GM vehicles.
Moly coated top ring helps reduce friction and wear.
Designed to minimize engine oil consumption.
Built to meet OE requirements for reliable performance.
This set is 0.030 inch undersize for bored cylinders.
Provides longer service life for your engine.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your classic GM vehicle from the early 70s, like a Pontiac Grand Prix or Firebird, and need to replace the piston rings, this Mahle Moly Ring Set is a solid option. These rings are built to meet the demands of OE requirements, focusing on reducing friction and minimizing oil consumption for a longer-lasting engine.

Mahle has put advanced technology into these rings to help them perform well. They're designed to reduce friction between the piston and cylinder wall, which can lead to a bit more power and better fuel efficiency. Plus, they help seal the combustion chamber effectively, keeping oil out of where it shouldn't be and reducing smoke. This set is 0.030 inch undersize, meaning it's intended for cylinders that have been bored out to that specific size during an engine rebuild.

When you're putting these back into your engine, make sure to follow the manufacturer's installation instructions carefully. Proper installation is key to getting the best performance and longevity out of your new rings.