✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

The Perfect Cp Replacement Piston Ring 100.50mm Subaru Wrx / Sti Ej257/ej255 2004-2021 | Rs1658-3957-0 Bundle [49xzEB6y]

$16.99 $54.99 -69%

CP Replacement Piston Ring for Subaru WRX/STI EJ257/EJ255 The CP Replacement Piston Ring is a precision-engineered component designed to enhance the performance and longevity of your Subaru WRX, STI, Forester XT, Outback XT, and Legacy GT. This high-

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

CP Replacement Piston Ring for Subaru WRX/STI EJ257/EJ255

The CP Replacement Piston Ring is a precision-engineered component designed to enhance the performance and longevity of your Subaru WRX, STI, Forester XT, Outback XT, and Legacy GT. This high-quality piston ring is crafted with meticulous attention to detail, ensuring optimal fitment and superior sealing. With its robust construction and durable materials, it provides exceptional heat resistance and reduces oil consumption, leading to smoother engine operation and improved fuel efficiency.

Product Specifications and Technical Details

This piston ring is specifically designed for the Subaru WRX/STI EJ257/EJ255 engines, manufactured between 2004 and 2021. Sold in singles, it is essential for a full set of four to ensure comprehensive engine protection. The RS1658-3957-0 part number guarantees compatibility and ease of identification. The ring features a diameter of 100.50mm, making it a perfect fit for your vehicle's requirements. Its design incorporates advanced technology to minimize friction and maximize engine performance, ensuring a reliable and efficient operation.

Practical Uses and Benefits

Whether you're a daily driver or a high-performance enthusiast, the CP Replacement Piston Ring is an essential component for maintaining the health of your Subaru engine. Its precise engineering not only improves engine efficiency but also reduces the risk of engine damage caused by wear and tear. By using this high-quality piston ring, you can expect enhanced power output, reduced emissions, and a longer engine lifespan. This product is ideal for anyone looking to upgrade their Subaru's performance or simply maintain their vehicle's peak condition. With its reliable performance and ease of installation, it's a must-have for Subaru owners seeking top-notch engine care.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

It gives fantastic results without fail.

- Stella E..

January 1, 2026

Absolutely no complaints!

Very nice product, especially for its money.

- Jenny M..

January 1, 2026

Absolutely no complaints!

A very efficient and well-made gadget.

- Owen Z..

Write a Review

You Might Also Like

Discover more great products from our collection.

Mixer, Cement Gasoline #180

Mixer, Cement Gasoline #180

(679)
$19.99 $63.99 -69%
ENS0804G3C1

ENS0804G3C1

(612)
$24.99 $79.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY