
Short Blocks Available

We’re Ready for 2024!

In-House Manufacturing

New Component Development
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ACL Race Rod Bearings - 4B8296HX-STD
Vendor:The Obsidian Project, LLCRegular price $29.99 USDRegular priceUnit price / per$72.99 USDSale price $29.99 USDSale -
King Racing pMax Black Main Bearings - MB5382XPG STDX
Vendor:The Obsidian Project, LLCRegular price $59.99 USDRegular priceUnit price / per$127.20 USDSale price $59.99 USDSale -
King Racing pMax Rod Bearings - CR4125XPG STDX
Vendor:The Obsidian Project, LLCRegular price $39.99 USDRegular priceUnit price / per$77.14 USDSale price $39.99 USDSale -
Sold out
Obsidian S1 EJ255/257 Short Block
Vendor:The Obsidian Project, LLCRegular price $2,999.99 USDRegular priceUnit price / per$3,299.99 USDSale price $2,999.99 USDSold out
Blog posts
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New Engine Assembly Room
Dillon KaneThis is the clean room where engine assembly will take place from here on out at our Michigan location. Still need to do a little cleaning before we begin assembling...
New Engine Assembly Room
Dillon KaneThis is the clean room where engine assembly will take place from here on out at our Michigan location. Still need to do a little cleaning before we begin assembling...
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We’re Going to Michigan
Dillon KaneWe do still have a location setup in Colorado, so I’ll be back and forth between Colorado and Michigan. I am going to work at a machining and fabrication...
We’re Going to Michigan
Dillon KaneWe do still have a location setup in Colorado, so I’ll be back and forth between Colorado and Michigan. I am going to work at a machining and fabrication...
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First Track Day Was A Success!
Dillon KaneOn October 22nd, we geared up and headed down to Bandimere Speedway for the very last test and tune of the year. Unfortunately, this is the last year Bandimere Speedway...
First Track Day Was A Success!
Dillon KaneOn October 22nd, we geared up and headed down to Bandimere Speedway for the very last test and tune of the year. Unfortunately, this is the last year Bandimere Speedway...

