Why buy from us ?
First, we are a shop specialized in heavy duty diesel engine since 1987.So we are expert in troubleshooting and engine rebuilders.
Unlike many other tuning shop, we can repair, troubleshoot or install parts for all engines in place.So if u have a problem, we will not tell u to go to another shop to get your engine repair, but we will do it in our shop o...
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Diesel Spec is now doing Agriculture engines !
With high demands from our customers for agriculture engines, we have now started to do tuning on John Deere engines.
Read moreWhat is Tuning ?
ECM Tuning is the process of fine tuning the software program that controls your engine management system...
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EGR VALVE DELETE KITS
We offer many differet kits to remove the EGR valve and EGR cooler from your engine ...
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New Tuning for Detroit Diesel EPA07
After several months of testing, we are now proud to offer tuning for Detroit Diesel DD13 - DD15 - DD16 ...
Read moreNew Tuning for Mercedes Engines
Diesel Spec now offers new Tuning services for Mercedes MBE900 and MBE4000 series for alll years .
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