2001-2019 Duramax 6.6L Allison 1000 Randy's Transmission Stage 2 725HP (311241031)The Stage 2 Allison is our most popular high performance transmission for the Duramax pickups; designed to handle up to 725 horsepower. This transmission is ideal for high performance vehicles and heavy duty trucks that require a reliable and durable transmission that can handle high power output. The Stage 2 Allison is built with heavy duty components and features upgraded clutches, valve body modifications, and our in house built torque converter.

these units will fit any OEM or aftermarket torque converter and affordable enough to replace with converter or transmission swap

Plus our upgraded turbine wheel and HFV technology help to lower EGTs which gives you even more confidence when towing a heavy load up a steep grade

4L Powerstroke with the P1 Performance Products C6241PLM 4" PLM Series Turbo-Back Competition Exhaust

a bit of supporting spring rate plays a substantial roll in keeping the body roll in check and suspension composed

This turbine housing was proven to spool up faster AND make more top end power when compared to either previous option

These acids are corrosive to your engine

Studs Required

**These turbos come sand cast unless specifically requested

Dodge Ram Cummins 1998

Race Wax leaves a smooth

maximum boost

especially after performance upgrades or tuning