What does 'standard tension' mean for these piston rings?

Standard tension rings apply a consistent, moderate amount of pressure against the cylinder wall. This is a common specification that works well for many engine rebuilds, balancing sealing performance with wear on the cylinder and ring itself.

Are these rings suitable for all engine types?

These rings are designed for a specific bore size (4.500 inches) and standard tension. While Mahle OE parts are generally reliable, you should always confirm they match the specifications required for your particular engine model and build.

What is the Prop 65 warning about?

The Prop 65 warning indicates that the product may contain chemicals known to the state of California to cause cancer or reproductive harm. The specific chemicals and their relevance are not detailed in the provided information.

Mahle OE Piston Rings 4.500in Std Tension 3150079.035

Name: Mahle Rings Fire Power PC479 Std Tension 4.500in Plain Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-fire-power-pc479-std-tension-4-500in-plain-ring-set-t14-49928
Price: 221.12 USD
Availability: BackOrder

Mahle Rings Fire Power PC479 Std Tension 4.500in Plain Ring Set

$221.12

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 Piston Rings, standard tension, 4.500in bore size. For engine rebuilds needing reliable sealing.

Key Features

Fits a 4.500 inch cylinder bore.
Standard tension rings apply consistent pressure for a reliable seal.
Mahle OE rings are a well-known choice for engine rebuilding.
Designed for proper compression and oil control in the combustion chamber.
Not CARB approved; cannot ship to California.

Secure CheckoutFast Shipping631-982-0042

Product Details

These Mahle OE piston rings are built to a standard tension specification, meaning they apply consistent pressure against the cylinder wall for a solid seal. The 4.500-inch bore size is a common measurement for many larger displacement engines, and Mahle has a long history of making well-built internal engine components.

When you're rebuilding an engine, the piston rings are critical for proper compression and oil control. These rings are designed to fit standard pistons for that bore size, helping to ensure a good seal between the piston and the cylinder wall. This helps keep combustion pressure where it belongs and prevents excess oil from entering the combustion chamber, which can lead to smoking and poor performance. Mahle is a well-known name in engine parts, and these rings are a solid option for many engine builds where reliable performance is key.

It's important to note that these rings are not CARB approved and cannot be shipped to California. Always refer to your specific engine's service manual for detailed installation procedures and specifications.