What is included in this piston ring set?

This product is a single Manley 3.780 inch steel top piston ring set. It includes the top ring and oil ring with the specified dimensions. You will need to purchase additional ring sets for the other pistons in your engine.

What does the 1.2mm x 2.5mm sizing refer to?

The 1.2mm refers to the thickness of the top compression ring, and the 2.5mm refers to the thickness of the oil control ring. This is a common sizing for performance engine builds.

Why is this product not CARB approved?

This piston ring set is not approved by the California Air Resources Board (CARB). This means it cannot be legally shipped to or installed on vehicles registered in California due to emissions standards.

Specifications

Brand: Manley Performance
Part #: 46780ST-6
UPC: 807298087344

Manley 3.780in 1.2mm x 2.5mm Steel Top Ring

Name: Manley 3.780in 1.2mm x 2.5mm Steel Top Ring
Brand: Manley Performance
SKU: manley-performance-manley-3-780in-1-2mm-x-2-5mm-steel-top-ring-t14-83234
Price: 338.57 USD
Availability: BackOrder

$338.57

On Backorder

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

Manley 3.780in steel top piston ring set, 1.2mm x 2.5mm. Built for performance engine builds.

Key Features

This is a Manley 3.780 inch steel top piston ring set.
The top ring measures 1.2mm, and the oil ring measures 2.5mm.
Constructed from steel for good wear resistance.
Designed for performance engine builds.
Not CARB approved and cannot ship to California.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This product is a Manley 3.780 inch steel top piston ring set, with dimensions of 1.2mm for the top ring and 2.5mm for the oil ring. These rings are designed for engine rebuilds where performance and durability are key considerations. The steel construction offers good wear resistance for demanding applications.

Manley is a well-known name in performance engine components, and this ring set is built to their standards. The specific sizing, 1.2mm top ring and 2.5mm oil ring, is a common configuration for many performance engine builds, offering a balance of sealing and oil control. It's important to note that these rings are not CARB approved and cannot be shipped to California due to emissions regulations.