What does '0.060 inch undersize' mean for these piston rings?

This means the rings are designed for cylinders that have been bored out by 0.060 inches larger than their original factory size. This is common during engine rebuilds to clean up cylinder walls or increase displacement.

Why is a moly coating important on piston rings?

The moly coating helps the piston rings seat properly against the cylinder walls. This reduces friction, minimizes wear during the critical break-in period, and contributes to a longer service life for both the rings and the engine.

Are these piston rings suitable for all engine rebuilds?

These rings are designed to reduce friction and oil consumption, contributing to longer engine life. They are a popular choice for many Ford 240 and 300ci engines, as well as a variety of other applications from the 1960s to the 1990s.

Mahle OE Piston Rings 40664CP.060 - Ford 240/300 Engines

Name: Mahle Rings Ford 240 Eng 65-72 Ford Ind Ford Trk 240/300 Engs 65-94 Merc Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-ford-240-eng-65-72-ford-ind-ford-trk-240-300-engs-65-94-mer-t14-49832
Price: 56.69 USD
Availability: BackOrder

Mahle Rings Ford 240 Eng 65-72 Ford Ind Ford Trk 240/300 Engs 65-94 Merc Moly Ring Set

$56.69

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 for Ford 240/300 engines, 0.060 inch undersize. Reduces friction and oil consumption.

Key Features

Fits 1965-1996 Ford E-150 Econoline Club Wagon and E-150 Econoline, among many other vehicles.
Moly coating on the rings helps reduce friction and improve seating against the cylinder wall.
Designed to minimize engine oil consumption.
Built to reduce friction and extend engine service life.
This is a 0.060 inch undersize ring set.

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Will this fit your vehicle?

Product Details

Mahle is known for making technically advanced engine components, and these Moly Ring Sets are a prime example. If you're rebuilding the engine in your classic Ford truck or a range of other vehicles from the 60s through the 90s, these rings are designed to help you get the most out of your rebuild. They are built to minimize oil consumption and friction, which also helps extend the life of your engine.

This particular set is 0.060 inch undersize, meaning it's intended for engines where the cylinders have been bored out to accommodate wear. The moly coating on these rings helps them seat properly against the cylinder wall, reducing friction and wear during the break-in period and throughout the life of the engine. This attention to detail in design and materials is what Mahle OE is known for, aiming for improved performance and durability.

This ring set fits a wide variety of vehicles, including many Ford trucks and vans from the 1965-1996 model years, as well as some Chevrolet and Buick models from the 1980s. Always check the full fitment guide to ensure compatibility with your specific application.