What is a gapless top piston ring?

A gapless top piston ring has ends that meet without a gap when installed in the piston groove. This design helps prevent combustion gases from blowing past the piston, leading to improved cylinder sealing and potentially more consistent power.

What does 'Not CARB approved' mean?

This means the product does not meet the emissions standards set by the California Air Resources Board (CARB). As a result, it cannot be legally shipped to or installed on vehicles registered in California.

What other parts are typically needed when installing new piston rings?

When installing new piston rings, you will also need new pistons, connecting rod bearings, and main bearings. It's also a good time to inspect and potentially replace the piston pins and cylinder walls. Always refer to the manufacturer's instructions for a complete list of recommended components and procedures.

Specifications

Brand: Manley Performance
Part #: 46160GT-8
UPC: 807298072241

Manley Piston Ring, RING-4.125 1/16,3/16 GAPLESS TOP

Name: Manley Piston Ring, RING-4.125 1/16,3/16 GAPLESS TOP
Brand: Manley Performance
SKU: manley-performance-manley-piston-ring-ring-4-125-1-16-3-16-gapless-top-t14-881388
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 ring set for 4.125" bore. Not CARB approved.

Key Features

Fits 4.125 inch bore applications.
Gapless top ring design for improved cylinder sealing.
1/16 inch top ring thickness.
3/16 inch oil ring thickness.
Manley Performance brand.
Not CARB approved; cannot ship to California.

This piston ring set is designed for a 4.125 inch bore. Always confirm compatibility with your specific engine build and piston manufacturer.

⚠️ 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 is a Manley Performance gapless top piston ring set, designed for a 4.125 inch bore. These rings are a crucial component for rebuilding or upgrading your engine's top end, especially when aiming for improved sealing and performance. The gapless top ring design is a notable feature, meaning the ends of the ring meet without a gap, which helps prevent combustion gases from blowing past the piston. This can lead to better cylinder pressure, more consistent power delivery, and reduced oil consumption.

Manley is known for making well-built engine components, and these rings are no exception. They feature a 1/16 inch top ring thickness and a 3/16 inch oil ring, a common configuration for many performance applications. The gapless design requires careful installation to ensure proper seating and sealing, but when done correctly, it offers a significant advantage over conventional ring designs. This set is intended for builders who understand the nuances of engine assembly and are looking for a high-performance sealing solution.

It's important to note that this specific ring set is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions to ensure proper fitment and function within your specific engine build. Proper ring gap setting and piston installation are critical for the longevity and performance of your engine.