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HKS Valve Springs - 4G63



Fits these Applications:
1992-2006 Mitsubishi Lancer Evolution I I III IV V VI VII VIII IX
1990-1999 1G & 2G DSM (Eclipse GST/GSX, Talon TSi & Laser Turbo)

HKS valve springs are stiffer springs specifically designed for use with HKS camshafts. As valvetrain dynamics change with the use of high performance cam profiles and greater lift, stiffer valve springs are needed to optimize valve movement. When changing to a high lift cam, stock springs cannot match the increased valve train movement. Therefore HKS engineered valve springs that are precisely matched to the characteristics of HKS camshafts.

A stringent shot-peening and heat treatment process is applied to the HKS valve springs to provide durable and consistent spring rates over time. Applications with high revving engines will benefit from HKS valve springs, as the risk of valve-float and coil-bind is greatly reduced due to their specific design and construction.

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Customer Reviews

Based on 1 review
It’s nice quality fast shippping

I like the price

Thanks, Joel! We try our best to make our pricing the most competitive on the market. If there is ever a part that you see advertised for less, simply let us know, and we will match or beat it. We offer price match guarantees on all products. Thanks for shopping with us!

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