• Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM
  • Performance Fuel Pin & Governor Spring Kit For 88-93 Dodge Cummins 5.9L 12-Valve - Adds Up To 40HP & Increases RPM

Product Details

Web ID: 1050676
Alright, diesel fans – if you're driving a 1988 to 1993 Dodge truck with the legendary 5.9L Cummins 12-valve engine, listen up. This little kit isn't magic, but it's pretty close. It's a simple upgrade for your VE injection pump that can really wake that engine up. We're talking about adding around 30-40 extra horsepower and a solid 90-100 lb-ft of torque. That's not just a number on a page – you'll feel it when you step on the gas, especially when towing or passing. The real party trick? It bumps your governor-limited RPM up to 3200. That means your power band gets wider – about 30% wider, actually – so the engine pulls stronger for longer before it hits the rev limiter. The kit includes the main fuel pin (which controls how much fuel gets injected), a new stiffer governor spring, a piston nut, and even a fresh throttle shaft O-ring. The fuel pin itself is seriously tough stuff – it's precision machined, then heat-treated to a 52 Rockwell hardness, so it won't wear out. Installation is a straightforward job for anyone comfortable with a wrench – you're basically swapping out the factory fuel pin on the pump diaphragm. Just make sure your truck is an '88-'93 12-valve with the VE pump (the 5.9L, of course). It fits a bunch of models: D250, D350, W250, you name it. This is a classic, proven mod for these trucks. It won't turn it into a drag racer, but it will give you noticeably more get-up-and-go for everyday driving, work, or play. Think of it as the most affordable 40 horsepower you can buy for your old Cummins.