04-05 Duramax ARP Engine Hardware KitKit Includes: ARP Duramax Head Stud Kit ARP Main Studs ARP Rod Bolt Kit ARP Valve Cover Stainless 12 pt Bolt Kit ARP Flexplate Bolt Kit, 2001+, Allison Automatic Transmission 4X ARP Exhaust Manifold Up Pipe Bolts, (set of 3) 2X ARP Rocker Shaft Bolt Kit, Set of 5

and Apply / Pressure Plate Packs

Kit includes:

Engineered beyond the rest with in-cab on-the-fly adjustability

Note: this adapter does require the drain back valve and water sensor to be removed

featuring front and rear seals that form a tight barrier between the truck and cover

while increasing horsepower and torque

install the headlights and re-tighten the reservoir

Precision Calibrated to a flow tolerance of +/-2% versus the OEM at +/-5%

in order to achieve 50-state compliance

custom tune the power modes or upgrade the device to the latest revision

7L Powerstroke

Bonus Features: