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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

How to Replace Valve Springs on an RB25 Without Removing the Head

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—Without the Drama

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 motorsport pros

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 reliability

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...

In Car Valve Spring Compressor tool in use on Toyota SR Cylinder Head

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...

3S-GE King Pin — David Swain

3S-GE King Pin — David Swain

My first engine swap was a 4AGE into a 1976 Corolla at 15 years old. Ever since then, I have had a passion for NA engines, with the Beams 3S-GE...

3S-GE King Pin — David Swain

My first engine swap was a 4AGE into a 1976 Corolla at 15 years old. Ever since then, I have had a passion for NA engines, with the Beams 3S-GE...