Repair, Replace or Upgrade Your Allison® Transmission

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SHIFT ENHANCEMENT KITS

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ALLISON® 1000 GM | DURAMAX - Performance Parts

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Shop by engine model to find parts for your Allison® Transmission. (Applies only to GM|Duramax)

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RATIOTEK, 1K LINE PRESSURE BOOST KIT, 400-799HP (2011-PRESENT) LML & L5P
RATIOTEK, 1K LINE PRESSURE BOOST KIT, 800-1200HP (2011-PRESENT) LML & L5P
C-1 VALVE & SEALKIT (FITS PUMP SUPPORTS MADE PRIOR TO MARCH 2004 - DOES NOT FIT 29541135 OR LATER)
F-TRIM VALVE END SLEEVE , ALLISON 1999-2005 (5 SPEED)
LOCK-UP PRESSURE BOOST VALVE, 1K (2001-2003) - RACING - 650HP+ (LB7 ONLY)
LOCK-UP PRESSURE BOOST VALVE, 1K (2004-2010) - RACING - 650HP+ (LLY, LBZ, LMM)
LUBE REGULATOR & CONVERTER RELIEF SPRING KIT (EARLY 6 SOLENOID)
RATIO TEK, 1K (2001-10) PRESSURE REGULATOR KIT & SHIFT SPRING KIT(C, D, & E SHIFT VALVES)
SHIFT KIT - GM ALLISON MY1999-2005 (5 SPEED) - LB7 & LLY
SHIFT KIT - 1K/2K ALLISON MY 2006-2010 (6 SPEED) LBZ & LMM
PERFORMANCE SHIFT VALVE KIT,1K/2K - STEEL VALVES FOR C, D, & E VALVES (2001-2010)

Parts & Solutions for your Performance Duramax Transmission

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