Merchant Automotive’s LML Duramax PCV Reroute Kit

Engines require crankcase ventilation to prevent pressure buildup that can blow out seals and cause leaks on a regular basis because all internal combustion engines have a small amount…

How to Bulletproof Your GM’s IFS

After a decade of proving itself in the truck-pulling game, it’s safe to say the independent front suspension found under ’01-present GM HD trucks is a viable system to campaign with…

Allison Unchained: An Inside Look at A Merchant Automotive Allison Upgrade for Towing

Regular readers know how easy it is to make significant power with a modern diesel truck. By simply uploading a more aggressive engine tune and upgrading the intake and exhaust, a…