DHD's DIY Allison Rebuild Kits are the perfect combination of quality parts and value. This 750HP rated kit includes all the vital improvements your transmission needs to have quick, crisp, dependable shifts. This carefully selected combination of components has been getting installed in our Dirty Hooker Diesel transmissions for years.
Our kit truly is the most comprehensive for the price. Heres why!
DHD addresses the issues surrounding the durability of the C2 hub by increasing the C2 hub diameter with the addition of a steel sleeve and machining the P1 Sun to accept this change.
DHD includes ALL the bushings and bearings, not just a select few.
DHD pressure controls and spring combinations are complete and include Mike L Trim Springs.
DHD clutch stack heights are spec'd out by hand to match factory clearance spec's. (Must confirm clearances @ Install)
Complete Bushing Kit
Complete Torrington Bearing Kit
RT-A01-PR Pressure Control Upgrade
RT-A-ES Shift Valve Springs
Mike L High Capacity Trim Springs
Complete Alto Gasket & Seal Kit
Alto G3 C1 Clutch Stack
Raybestos GPZ C2 C3 C4 Clutch Stacks
Genuine Allison Shallow Filter
Genuine Allison Spin On Filter
New Filter Magnet
DHD Billet Shallow Filter Lock
DHD Billet PTO Covers
DHD C2 Hub Sleeve
DHD Machined P1 Sun Gear For C2 Hub Sleeve
New C3/C4 Molded Clutch Apply Piston (LML Style)
New C3/C4 Return Spring Assembly (LML Style)
Note: To achieve the HP rating of this kit you must upgrade your torque converter.