What is a gapless top piston ring?

A gapless top piston ring has its ends designed to meet when installed in the cylinder. This eliminates the traditional gap found in most piston rings, creating a more complete seal against the cylinder wall. This can help reduce blow-by and improve compression.

What does the sizing 1/16", 3/16" refer to?

These measurements refer to the width of the piston rings. The 1/16 inch is for the top compression ring, and the 3/16 inch is for the second compression ring. These are common sizes for performance engine builds, but always verify compatibility with your specific pistons.

Why can't these rings ship to California?

These piston rings are not CARB (California Air Resources Board) approved. This means they do not meet California's emissions standards for replacement parts, and therefore cannot be legally shipped to California addresses.

Specifications

Brand: Manley Performance
Part #: 46453GT-8
UPC: 807298072272

Manley Piston Ring, RING-4.530 1/16,3/16 GAPLESS TOP

Name: Manley Piston Ring, RING-4.530 1/16,3/16 GAPLESS TOP
Brand: Manley Performance
SKU: manley-performance-manley-piston-ring-ring-4-530-1-16-3-16-gapless-top-t14-881395
Price: 666.12 USD
Availability: BackOrder

$666.12

On Backorder

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

Manley Performance gapless top piston rings. Set includes 1/16" and 3/16" ring sizes.

Key Features

This product is a Manley Performance piston ring set.
The set includes gapless top piston rings.
Rings are sized for a 4.530 inch bore.
Includes a 1/16 inch top ring and a 3/16 inch second ring.
The gapless design improves cylinder sealing.
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 set includes Manley Performance gapless top piston rings, specifically sized for a 4.530 inch bore. You'll get the 1/16 inch top ring and a 3/16 inch second ring, designed to eliminate the gap for improved sealing. These rings are a solid choice for builders looking for a well-built component for their engine rebuild.

Manley has a reputation for making strong internal engine parts, and these gapless top rings are no exception. The gapless design means the ends of the top ring meet, creating a more complete seal against the cylinder wall. This can lead to better compression, reduced blow-by, and improved oil control, especially in high-performance applications where cylinder pressures are significantly higher than stock. The specific dimensions of 1/16 inch for the top ring and 3/16 inch for the second ring are common for many performance engine builds, but always double-check your piston and cylinder bore specifications to ensure compatibility.

It's important to note that these rings are not CARB approved and cannot be shipped to California due to emissions regulations. Additionally, they are subject to California's Proposition 65 warning. Always refer to your engine's specific service manual or build guide for proper installation procedures and ring gap settings if you are not using the gapless design as intended.