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Real diesel performance.
Built from experience.

Original stroker CP3 engineering, hands-on DIY upgrades, cooling solutions, specialty tools, and fuel-system testing for builders who want measured results—not marketing noise.

Apparel and gear for diesel junkies
DIY performance parts and upgrade kits
Bolt-on diesel performance upgrades
CP3 / CP4 pump testing services
Common rail fuel injector testing

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The OG stroker pump producer

Developing and testing stroker CP3 pumps since 2007.

Precision over guesswork

In-house machining, controlled assembly, and real flow data.

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Practical guidance for customers, builders, and working shops.