Replace valve springs effortlessly without removing the cylinder head using HRB’s professional In-Car Valve Spring Tool, specifically designed for the G16E-GTS engines found in GR Yaris and Corolla GR models. Engineered by professional engine builders, this tool streamlines the typically challenging task of valve spring replacement, saving significant time and effort by eliminating unnecessary engine teardown.

Precision-machined from billet 6061 aluminium, it features a billet stainless steel retainer cup with a large access cut-out for easy keeper installation, combined with a smooth-operating bronze bush for precise valve spring compression. The captive design ensures that components remain securely together during use, preventing tool parts disassembly. Simply remove and rotate the top plate to switch between intake and exhaust valve applications.

Key Features: 

• Billet 6061 aluminium bodyfor strength and durability
• Billet stainless steel retainer cup with generous cut-out for improved keeper access
• Bronze bushing for smooth, controlled operation
• ¼-inch drive threaded rod compatible with hand tools or electric drivers
• Captive designprevents components from separating during operation
• Durable anodised finish for corrosion resistance and longevity 

Why Choose HRB’s In-Car Valve Spring Tool? 

This purpose-built tool significantly simplifies valve spring replacements, making it ideal for engine tuning, spring upgrades, or valve seal replacements without the cost and complexity of head removal.

Whether servicing a high-performance GR Yaris, performing routine maintenance on a Corolla GR, or undertaking serious track or street modifications, this tool ensures efficient, accurate, and stress-free valve spring changes. Perfectly suited to professional workshops, DIY enthusiasts, performance engine builders, and automotive specialists working with TOYOTA GR Yaris and Corolla GR G16E-GTS engine platforms.