2011-2016 Firepunk Proven A900 Allison Transmission Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

2011-2016 Firepunk Proven A750 Allison Transmission Features: Great For Mildly Modified Trucks Up To 750HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

Are you concerned about the possibility your CP4.2 could fail and damage your injectors as well as contaminate the rest of your high pressure system? Our System Saver LML Inlet Metering valve (also called FCA and MPROP) offers an affordable option to help protect...

Are you loosing rail pressure from a worn out CP4.2 pump? Are you in need of a factory replacement pump? From stock up to 550+HP our Improved Stock LML CP4.2 pumps are the best and most affordable solution for an upgraded pump that won't...

The All-New Patented Banks Ram-Air Differential Cover WIPES OUT THE COMPETITION! When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we were shocked to find...

Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code free and allows you to bypass the TCM to lock/unlock the torque converter on demand. Turn the bypass switch off, and the...

Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with...

2011-2016 Firepunk Proven A1000 Allison Transmission Features: Great For Highly Modified Trucks Up To 1000HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

This part can be used as a direct replacement for Bosch part number 0 281 006 019, GM part number 12611872, as well as ACDelco part number 12611872.  

This part can be used as a direct replacement for Bosch part number 0 445 130 020, GM part number 12639000, as well as ACDelco part number 12639000.  

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 20% over fuel injectors!   At 20% over stock, these are an excellent upgrade for close...

Are you seeing intermittent rail pressure fluctuations that are causing running issues? The rail pressure sensor may be the root cause.   The fuel pressure sensor is a crucial part of the high pressure fuel system. It effectively measures fuel pressure allowing for proper...

Do you want to edge out that Mustang at the track or put another 5' on the next truck? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 100% over fuel injectors!   The...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 20% over fuel injectors!   At 20% over stock, these are an excellent upgrade for close...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 200% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...