HRB 4G In Car Valve Spring Tool

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Designed specifically for Mitsubishi 4G63 twin-cam engines, the HRB 4G In-Car Valve Spring Tool allows you to replace valve springs without removing the cylinder head-saving serious time during builds or servicing. Whether you're upgrading to stiffer springs for a performance setup or replacing worn components in a street engine, this tool makes the process safer, faster, and more precise.
Developed in a professional engine-building environment, this tool is engineered to fit the tight confines of the 4G63 EVO 1-9 head while providing smooth, controlled spring compression with maximum visibility and access.
Key Features:
- Billet 6061 aluminium body for lightweight strength
- Billet stainless steel retainer cup with large cutaway for improved keeper access
- Bronze bush for ultra-smooth compression
- �-inch drive threaded rod - compatible with hand tools or drill drivers
- Captive design - tool stays together during use
- Anodised for corrosion resistance and long life
- Supplied with bolts for direct fitment on 4G heads
Why Choose the HRB 4G In-Car Valve Spring Tool?
Traditional valve spring work on 4G engines often means pulling the head. This tool eliminates that step, allowing fast, in-place spring changes while maintaining engine assembly. Trusted by professional engine builders and DIYers alike, it's a game-changer for anyone working with Mitsubishi EVO 1-9 4G63 platforms.
For tips and tricks for your 4G in car valve spring job check out this blog:
| Product Name | HRB 4G In Car Valve Spring Tool |
|---|---|
| Brands | Hughes Race Built |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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