What does the '.020' in the part number mean?

The '.020' indicates that these piston rings are 0.020 inches undersize. This means they are intended for use in engine cylinders that have been bored out by 0.020 inches during an engine rebuild or overbore process.

Why is a moly coating important on piston rings?

The moly (molybdenum) coating on these rings helps to reduce friction between the piston and the cylinder wall. This can lead to improved engine efficiency, reduced oil consumption, and potentially a longer service life for the rings and cylinder bores.

Are these rings suitable for a standard bore engine?

No, these rings are specifically 0.020 inch undersize. They are designed for cylinders that have been machined (bored) to be 0.020 inches larger than their original factory size. For a standard bore, you would need a different size ring set.

Mahle OE Piston Rings 40843CP.020 - Ford 429/460 7.5L

Name: Mahle Rings Ford 429/460 7.5L Engs 68-78 Ford Trk 429/460 7.5L Engs Moly Ring Set
Brand: Mahle OE
Price: 132.40 USD
Availability: InStock

Mahle Rings Ford 429/460 7.5L Engs 68-78 Ford Trk 429/460 7.5L Engs Moly Ring Set

$132.40

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 Piston Ring Set for Ford 429/460 7.5L engines. These rings are 0.020 inch undersize and help reduce friction.

Key Features

Fits many 1968-1997 Ford vehicles with 429/460 7.5L engines.
Moly (molybdenum) coating helps reduce friction and oil consumption.
Piston rings are 0.020 inch undersize, suitable for bored cylinders.
Designed to meet OE requirements for reduced friction and longer service life.
Well-built for engine rebuilding applications.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your classic Ford truck or car, like a 1975 F-150 or a 1972 Gran Torino, a fresh set of piston rings is essential. These Mahle OE Moly Piston Rings are designed for Ford 429 and 460 cubic inch (7.5L) engines from 1968 through 1978, and fit a wide range of Ford vehicles from that era and beyond. They are specifically sized at 0.020 inches undersize, which is important when you're working with cylinders that have been bored out during an engine rebuild.

Mahle builds these rings with moly (molybdenum) coatings, which are known for their ability to reduce friction between the piston and cylinder wall. This not only helps your engine run a bit smoother but also contributes to minimizing oil consumption and can extend the overall service life of your engine components. They are well-built to meet the demands of OE requirements, focusing on efficiency and durability.

When you're putting an engine back together, using reliable parts like these Mahle rings makes a big difference. They are a solid option for anyone looking to restore or rebuild their Ford's V8 engine.