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Allison 1000 Transmission Stage 4 900+ HP Max

Rating:
100 % of 100
$9,995.00
Call for Availability
SKU
311241035
Core Charge: +$1500

Stage 4 Allison 1000 - 900+HP

2001-2019 Duramax

SCROLL DOWN FOR BUILD SPECS

Allison 1000 Stage 4 900+ Hp max

  • Raybestos or ALTO G3 C-3 C-4 Torque kit custom machined pressure plates
  • LML style pistons and return springs
  • Raybestos or ALTO G3 C-1, C-2 Torque kit
  • Ratio Tek pressure upgrades
  • Transgo trim valves
  • New torrington bearings
  • Randy’s Torque Converter with billet stator custom stalls available
  • New OE filters
  • Billet input
  • Billet c-2 hub
  • Billet output
  • Billet P-2 planet
  • HD Cast Aluminum deep pan
  • Flexplates are not included on Allison builds to shops or retail
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WARRANTY

1 Year 12,000 mile limited warranty will not cover broken cases or shafts of transmission. Abuse, misuse, or burn down due to operator error will void warranty. Any warranty work must be performed at Randy’s Transmissions in Tooele UT. It is the vehicle owner’s responsibility to ship transmission or vehicle to Randy’s location for any and all repairs needing to be performed. Any repairs to transmission not authorized by Randy’s Transmissions will void warranty and will not be covered by Randy’s Transmissions.

WARRANTY IS NON-TRANSFERRABLE

Appropriate gear ratios

  • 35" tire min gearing is 3:73 recommended 4:10
  • 37" tire min gearing is 4:10 recommended 4:30
  • Larger than that should be running a 4:56 ratio