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

A moly coating on piston rings helps to reduce friction between the ring and the cylinder wall. It also aids in the "seating" process, where the rings conform to the cylinder wall for a better seal, especially important in performance applications.

What does '0.045' in the part number signify?

The '.045' in the part number typically indicates that these rings are 0.045 inches oversized. This means they are intended for cylinders that have been bored out by that amount during an engine rebuild.

Are these rings suitable for a stock engine rebuild?

While these rings are well-built, their design and moly coating are particularly beneficial for performance applications. For a standard, stock rebuild, you might consider rings specifically designated for stock use, though these will function if the engine is bored to the correct size.

Mahle Moly Ring Set 3150004.045 - Chevy 396 402 454 Olds 400

Name: Mahle Rings Chevy Race 400 396 402 Engs Olds Race 425 455 Engs Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-chevy-race-400-396-402-engs-olds-race-425-455-engs-moly-rin-t14-50406
Price: 191.19 USD
Availability: BackOrder

Mahle Rings Chevy Race 400 396 402 Engs Olds Race 425 455 Engs Moly Ring Set

$191.19

On Backorder

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

Mahle Moly Piston Ring Set for Chevy 396, 402, 454 and Olds 400, 425, 455 engines. Part# 3150004.045. Direct fit.

Key Features

Fits Chevy 396, 402, and 454 cubic inch engines.
Fits Oldsmobile 400, 425, and 455 cubic inch engines.
Features a moly coating to reduce friction and aid in ring seating.
Designed for performance engine builds.
Well-built construction for reliable operation.

This ring set is designed for specific Chevy and Oldsmobile engine displacements. Please verify your engine's cubic inch to ensure compatibility.

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Product Details

If you're rebuilding the engine in your classic Chevy or Oldsmobile, a fresh set of piston rings is crucial for proper sealing and performance. This Mahle Moly Ring Set is built for performance applications, designed to handle the demands of engines like the Chevy 396, 402, and 454, as well as the Oldsmobile 400, 425, and 455. Getting the right seal between your pistons and cylinder walls is key to preventing blow-by, maintaining compression, and ensuring your engine runs smoothly and powerfully.

Mahle uses a moly coating on these rings, which helps to reduce friction and wear, especially under the higher stress of performance use. This coating also aids in seating the rings quickly against the cylinder walls, which is important for achieving optimal compression right from the start. The construction of this set is well-built, intended to provide reliable performance for engines built for more than just daily driving.

When installing these rings, remember to follow the manufacturer's instructions carefully to ensure they seat properly. This set is intended for specific engine displacements and performance builds, so double-check your engine's specifications to confirm compatibility.