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Allison 2004-05 LLY 5-6 Speed Conversion For GM Duramax - Core Included In Price A1-6VB-TCM-LLY

Original price $3,655.00 - Original price $3,655.00
Original price
$3,655.00
$3,655.00 - $3,655.00
Current price $3,655.00

Part Number: A1-6VB-TCM-LLY

**Core Charge Included In Price**

ALLISON LLY 6 SP CONVERSION

The Sun Coast A1-6VB-TCM-LB7 Allison 5-6 Speed Conversion for your 2004-2005 GM 6.6L Duramax LLY converts your 5-Speed Allison A1000 Transmission into a 6-Speed like the later models. With the conversion, you can drop 325 engine rpm @ 75 mph with 3.73 gears. While increasing fuel economy 1 _ 1.5 MPG, reduces engine noise while cruising, a truck with 3.73 gears that normally likes cruising at 62 MPH will now cruise nice at 72 MPH. The gear ratio in your 5 speed is .71 and our 6th gear will be .61. 6th gear can be disabled with your two haul button and 5th canceled with OD off. Requires valve body and TCM change. No wiring, no modifications required.

Features:

  • Converts 5-Speed Automatic To 6-Speed
  • Decrease Cruising RPM's
  • No Wiring, No Modifications Required

 

Compatible Vehicles:

  • 2005 Chevrolet C4500 Kodiak
  • 2005 Chevrolet C5500 Kodiak
  • 2005 Chevrolet Silverado 2500 HD
  • 2005 Chevrolet Silverado 3500
  • 2005 GMC C4500 Topkick
  • 2005 GMC C5500 Topkick
  • 2005 GMC Sierra 2500 HD
  • 2005 GMC Sierra 3500
  • 2004 Chevrolet C4500 Kodiak
  • 2004 Chevrolet C5500 Kodiak
  • 2004 Chevrolet C6500 Kodiak
  • 2004 Chevrolet C7500 Kodiak
  • 2004 Chevrolet Silverado 2500 HD
  • 2004 Chevrolet Silverado 3500
  • 2004 Chevrolet T6500
  • 2004 Chevrolet T7500
  • 2004 GMC C4500 Topkick
  • 2004 GMC C5500 Topkick
  • 2004 GMC C6500 Topkick
  • 2004 GMC C7500 Topkick
  • 2004 GMC Sierra 2500 HD
  • 2004 GMC Sierra 3500
  • 2004 GMC T6500
  • 2004 GMC T7500