Find parts for your Subaru

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ONLY THE BEST

FOR QUALITY IN YOUR PRICE RANGE

OUR ORIGINS

Building engines since 1976.

GCH Long Block Racing began rebuilding hot rod engines in the 1970s. Now we’re on the cutting edge of Subaru’s ever-improving, ever-evolving performance technology.

 

We are a second and third generation machine shop with a combined total of 65 years of experience. We’re proud to offer top-quality engineering technology. Every job that comes through our shop is custom-built to order.

Fully in-house, we have control over what leaves our shop. Each block and head is tested through our rigorous inspection from start to finish by our team of state-certified machinists. We measure our blocks inside and out to ensure the best tolerance levels and specs.

Every job is custom-built

to order.

Browse our customer reviews and shop our products to get to know us yourself, and reach out today with any questions or comments!

WHAT PEOPLE ARE SAYING

The short block I ordered was really well made and delivered pretty quickly...Their blocks are extremely well made and I will definitely be a return customer.

J R

June 2020

I bought a B25 Sti bare right cylinder head with the option to not have port and polish, and it’s a very high quality part and meets my standards. It’s going to work perfectly for my top end build and I’m glad I bought from GCH. They have high quality parts and I recommend everyone to check out their website.

Jacob Palmer

May 2020

The work is phenomenal and the owners are easy to work with!

Adam Moo Sang

March 2020

MEET OUR TEAM
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(909) 212-3843

152 San Lorenzo St.

Pomona, CA 91766

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© 2020 GCH Long Block Racing