Service or Replace valve springs without removing the cylinder head with the HRB 1JZ 2JZ In-Car Valve Spring Tool. Specifically engineered for the TOYOTA JZ engine family, this professional-grade tool allows you to replace valve springs easily, efficiently, and safely, saving countless hours of disassembly and reassembly work. Developed and tested in our high-performance engine building environment, it’s a must-have addition to any serious builder’s tool kit.

Key Features:

• Billet 6061 aluminium body for strength and lightweight operation
• Billet stainless steel retainer cup with a large cut-away for maximum assembly access
• Bronze bush body for smooth and precise movement
• ¼-inch drive threaded rod for controlled compression
• Captive design keeps all components securely together during use
• Anodised finish for long-term durability and corrosion resistance
  

Why Choose the HRB In-Car Valve Spring Tool?

Traditional valve spring replacement often demands complete engine teardown—but not anymore. The HRB In-Car Valve Spring Tool enables you to compress and replace springs directly on the engine, massively reducing downtime and labour. Whether you’re upgrading to high-performance springs in a 2JZ-GTE drift car or servicing 1JZ-GE stem seals in a street build, this tool delivers precision, control, and reliability under workshop or trackside conditions.

Compatible with all TOYOTA 1JZ and 2JZ engines, including 1JZ-GTE, 1JZ-GE, 2JZ-GTE, and 2JZ-GE variants. Designed for professional engine builders, performance shops, and DIYers looking for workshop-quality results without the hassle of full engine disassembly.

This tool is included in our: JZ Engine Build Kit

For tips and tricks for your JZ  in car valve spring job check out this blog:

How to Remove Valve Springs Without Removing the Head (And Why We Built Better Tools for the Job)