What is the primary function of piston rings?

Piston rings have a few key jobs. They seal the combustion chamber to maintain compression, transfer heat from the piston to the cylinder wall, and regulate engine oil by scraping excess oil from the cylinder walls.

Are these rings a direct replacement for all engines?

No, this is a specific piston ring set (part number 21005-AN009) designed for certain engine applications. It is crucial to verify fitment for your particular engine before purchasing.

What materials are typically used for performance piston rings?

Performance piston rings are often made from cast iron, steel alloys, or sometimes specialized materials. They are designed to be durable and withstand the high heat and pressure within the combustion chamber.

HKS Piston Ring Set N9 21005-AN009

Name: HKS PISTON RING SET N9
Brand: HKS
SKU: hks-hks-piston-ring-set-n9-t14-113051
Price: 446.30 USD
Availability: BackOrder

HKS PISTON RING SET N9

$446.30

On Backorder

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

HKS PISTON RING SET N9

Key Features

Fits specific engine applications.
HKS brand piston ring set.
Part number 21005-AN009.
Designed for proper combustion chamber sealing.
Helps manage oil consumption.
Made from durable materials for high-temperature environments.

No-fit, no charge. Wrong part? Send it back, free return label.

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Product Details

This is a set of HKS Piston Ring Set N9, part number 21005-AN009. These rings are designed to replace the stock piston rings in specific engine applications, playing a crucial role in sealing the combustion chamber and managing oil consumption. Proper ring seal is essential for engine performance, compression, and longevity.

HKS is known for its performance engine components, and this piston ring set is built to meet those standards. The rings are made from durable materials selected for their ability to withstand the high temperatures and pressures found within an engine cylinder. They are designed for a precise fit on the pistons, ensuring proper tension and sealing against the cylinder wall. This attention to detail helps maintain optimal compression and prevent excessive oil from entering the combustion chamber, which can lead to smoking and reduced efficiency.

When rebuilding or refreshing an engine, using a well-made piston ring set like this HKS offering is important for achieving reliable performance. Ensure you consult your vehicle's service manual for the correct installation procedure and any related components that may need replacement during an engine overhaul.