✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Easy To Use Manley Valve Spring & Titanium Retainer Set - 04+ Sti / 02-14 Wrx Easy Assembly [rvS1zKUE]

$43.99 $140.99 -69%

Manley Valve Spring & Titanium Retainer Set - High Performance for Enhanced Engine Power The Manley Performance Valve Spring and Retainer Kit is a game-changer for enthusiasts looking to push the limits of their engine's performance. Designed to acco

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Easy To Use Manley Valve Spring & Titanium Retainer Set - 04+ Sti / 02-14 Wrx Easy Assembly [rvS1zKUE]

Manley Valve Spring & Titanium Retainer Set - High Performance for Enhanced Engine Power

The Manley Performance Valve Spring and Retainer Kit is a game-changer for enthusiasts looking to push the limits of their engine's performance. Designed to accommodate high-lift cams and surpass OEM rev limitations, this kit is perfect for those seeking to unlock the true potential of their motors. Whether you're a drag racer, time trial enthusiast, or someone who enjoys spirited driving, this kit is a must-have for engines that thrive in the upper-RPM range.

Superior Materials and Specifications

The Manley Performance Valve Spring and Retainer Kit is crafted from high-grade steel for the valve springs and titanium for the retainers, ensuring durability and reliability. With a maximum net lift of 0.525 inches, this kit is engineered to withstand the rigorous demands of high-performance engines. Key features include:

  • High-grade steel valve springs for increased strength and longevity.
  • Titanium retainers for reduced weight and enhanced heat dissipation.
  • No head alteration or machining required, making installation a breeze.

Optimized for High-Performance Applications

Whether you're looking to improve your car's performance on the track or simply want to enjoy a more responsive and powerful drive, the Manley Performance Valve Spring and Retainer Kit is the ideal solution. This kit is tailored for use in both intake and exhaust systems, providing balanced performance enhancements. Its versatility makes it suitable for a wide range of vehicles, including the 04+ STI and 02-14 WRX models. With this kit, you can expect:

  • Improved engine efficiency and power output.
  • Enhanced valve control for smoother operation.
  • Long-lasting performance and reliability.

What Our Customers Say

January 16, 2026

Absolutely no complaints!

The materials feel premium and durable.

- Daniela M..

January 16, 2026

Absolutely no complaints!

It's incredibly reliable; I can always count on it.

- Leah Hughes.

January 16, 2026

Absolutely no complaints!

I am amazed by how well it works.

- Aiden Price.

Write a Review

You Might Also Like

Discover more great products from our collection.

Pile donna orsetto

Pile donna orsetto

(235)
$24.99 $79.99 -69%
Varina bow patent ballet flats

Varina bow patent ballet flats

(184)
$47.99 $153.99 -69%
Clea Silk Satin Camisole

Clea Silk Satin Camisole

(537)
$53.99 $172.99 -69%
Porcelain Prep Kit

Porcelain Prep Kit

(610)
$21.99 $70.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY