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HRB — Precision-engineered, high-performance engine building tools.
From JZ to RB, K Series to GR, our platform-specific tools are built for serious engine builders and DIY pros alike.
If you’re building on a stand or servicing in-car, we’ve got the right tools to make the job easier, faster, and more accurate.
Need something custom? Let us know—we love solving real workshop problems.
HRB - How to, Tech tips from the pros
In-Car Cam and Valve Spring Upgrade on the GR Y...
In-Car Cam and Valve Spring Upgrade on the GR Yaris / GR Corolla Swapping cams and valve springs on the GR Yaris or GR Corolla can be done with...
In-Car Cam and Valve Spring Upgrade on the GR Y...
In-Car Cam and Valve Spring Upgrade on the GR Yaris / GR Corolla Swapping cams and valve springs on the GR Yaris or GR Corolla can be done with...
How to Replace Valve Springs on an RB25 Without...
Swapping valve springs on a Nissan RB engine doesn’t have to mean removing the head. This guide explains how to refresh your top end in-car using the right tools —...
How to Replace Valve Springs on an RB25 Without...
Swapping valve springs on a Nissan RB engine doesn’t have to mean removing the head. This guide explains how to refresh your top end in-car using the right tools —...
How to Remove a Harmonic Balancer Easily—Withou...
Removing harmonic balancers and dampeners is one of those jobs that’s either straightforward or a complete nightmare—there’s usually no in-between. Trust us, we've been there more than once. You set...
How to Remove a Harmonic Balancer Easily—Withou...
Removing harmonic balancers and dampeners is one of those jobs that’s either straightforward or a complete nightmare—there’s usually no in-between. Trust us, we've been there more than once. You set...
How to Measure Piston Ring Gaps - Tips from mot...
Measuring piston ring gaps might sound like a small detail — but in engine building, it’s one of the most important steps for achieving performance and longevity. If you’re assembling...
How to Measure Piston Ring Gaps - Tips from mot...
Measuring piston ring gaps might sound like a small detail — but in engine building, it’s one of the most important steps for achieving performance and longevity. If you’re assembling...
Workshop Organizers - How we targeted speed AND...
In a high-performance engine-building environment, tidiness isn’t just about looking professional—it’s about working smarter. This blog explores how HRB’s clean rooms, stackable valve train organisers, and wall-mounted tool systems help...
Workshop Organizers - How we targeted speed AND...
In a high-performance engine-building environment, tidiness isn’t just about looking professional—it’s about working smarter. This blog explores how HRB’s clean rooms, stackable valve train organisers, and wall-mounted tool systems help...
How to Remove Valve Springs Without Removing th...
Swapping valve springs without removing the cylinder head is totally doable—with the right tools and a smart approach. In this guide, we break down the in-car valve spring removal process...
How to Remove Valve Springs Without Removing th...
Swapping valve springs without removing the cylinder head is totally doable—with the right tools and a smart approach. In this guide, we break down the in-car valve spring removal process...