DHD 100-550 Allison Performance 5 Speed DIY Builders Kit 750HP 2001-2005

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 over 15 years. 

Note: To achieve the HP rating of this kit you must upgrade your torque converter. 

Our kit truly is the most comprehensive for the price. Heres why!

1. 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.
2. DHD includes ALL the bushings and bearings, not just a select few.
3. DHD pressure controls and spring combinations are complete and include Mike L Trim Springs.
4. DHD clutch stack heights are spec'd out by hand and setup to match specific DHD clearance spec's. (Must confirm clearances @ Install)
5. Professional installation support available post purchase.

Kit Includes:

• 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
• F-Trim Valve End Sleeve
• Complete Precision Gasket & Seal Kit
• C1 C2 C3 C4 & C5 Clutch Stacks
• New Allison Shallow Filter
• Genuine Allison Spin On Filter
• New Filter Magnet
• Modified Converter Flow Valve
• 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) 
• Internal Harness Bulkhead Seal Kit
• DHD Internal Harness Case Retainer

Recommended Tools

• C3/C4 Return Spring Compressor
• DHD Pressure Control Spring Installer

Recommended Converter

DHD 100-450 Goerend Billet Stator Triple Disc Torque Converter

• These are the go to converter for all diesel owners that want to the best. You'll find these converters in tow rigs, dyno queens, drag racers and sled pullers where boosted launches and extreme power are prevalent. These converters billet stators can handle double the power and heat of a cast stator.

Clutches in Kit

• C1- Alto G3
• C2- Raybestos GPZ
• C3- Alto G3
• C4- Alto G3
• C5- OE Borg Warner

Fitment: (Glove Box RPO CODE M74)

DHD 100-550 services 5 speed model Allison transmissions. For 6 speed LBZ LMM trucks see 100-650. For 6 speed LML trucks see 100-750. 

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• 2003 GMC Sierra 2500/3500HD 6.6L Duramax w/Allison LCT1000 5 Speed Transmission
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