What is the main benefit of the F1 series piston rings?

The F1 series rings are designed with a unique profile to create a more effective seal between the piston and cylinder wall. This improved seal helps maintain consistent compression and better oil control, leading to more reliable engine performance.

What material are these piston rings made from?

These piston rings are forged from high-strength steel, chosen for its durability and ability to withstand the higher temperatures and pressures common in performance applications.

Can these piston rings be shipped to California?

No, this product is not CARB approved and cannot be shipped to California due to emissions regulations.

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Specifications

Brand: HKS
Part #: 21005-AF001

HKS PISTON RING SET F1

Name: HKS PISTON RING SET F1
Brand: HKS
SKU: hks-hks-piston-ring-set-f1-t14-113044
Price: 297.22 USD
Availability: BackOrder

$297.22

On Backorder

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

Key Features

This is a piston ring set from HKS.
The F1 series features a unique design for improved sealing.
Constructed from high-strength steel for durability.
Not CARB approved and cannot be shipped to California.

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

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About this part

Product Details

Forged from high-strength steel, these HKS piston rings are built to handle the demands of performance engines. The F1 series rings feature a unique design that helps maintain a solid seal between the piston and cylinder wall, which is crucial for optimal compression and oil control. This means you get a more consistent power output and better engine longevity, especially when you're pushing your engine harder than stock.

HKS has a reputation for well-built engine components, and this piston ring set is no exception. The material choice and precise manufacturing ensure these rings can withstand higher temperatures and pressures often found in modified or performance-tuned engines. Proper installation is key to their performance, so make sure to follow the manufacturer's guidelines closely to achieve the best results for your build.