SAVE 5% on your first parts order at checkout
Xcalliber logo
Parts for Allison®
Renewed Allison® Transmissions

GM DURAMAX PARTS

  • Allison® 1000

  • Allison® 10L1000

COMMERCIAL PARTS

  • Allison® LCT 1000 / 2000 / 2400

  • Allison® MD / B300 / B400 / 3000 / T200

  • Allison® HD / B500 / 4000RDS / T400

  • Allison® AT 540 / 542 / 545

  • Allison® MT 643 / 644 / 653 / 654

  • Allison® CT / CLBT / HT-700

  • Allison® V730 / 731

  • Allison® TT / Twin Disc

  • Allison® CLT 3461 / Terex

  • Allison® 4000 Off-Highway

  • Allison® 5000 / 6000

  • Allison® 8000 / 9000

  • Allison® TX-100 / Military

  • Allison® Torque Converter

  • Allison® Hybrid H 40 / 50 EP

Allison® 1000 | 5 Speed + 6 Speed

STOCK

PERFORMANCE

Allison® 10L1000 | 10 Speed

STOCK

PERFORMANCE

Allison® LCT 1000 / 2000 / 2400

Allison® MD / B300 / B400 / 3000 / T200

Allison® HD / B500 / 4000RDS / T400

Allison® AT 540 / 542 / 545

Allison® MT 643 / 644 / 653 / 654

Allison® CT / CLBT / HT-700

Allison® V730 / 731

Allison® TT / Twin Disc

Allison® CLT 3461 / Terex

Allison® 4000 Off-Highway

Allison® 5000 / 6000

Allison® 8000 / 9000

Allison® TX-100 / Military

Allison® Torque Converter

Allison® Hybrid H 40 / 50 EP

Parts for Allison®
GM DURAMAX PARTS
Allison® 1000
Allison® 10L1000
COMMERCIAL PARTS
Allison® LCT 1000 / 2000 / 2400
Allison® MD / B300 / B400 / 3000 / T200
Allison® HD / B500 / 4000RDS / T400
Allison® AT 540 / 542 / 545
Allison® MT 643 / 644 / 653 / 654
Allison® CT / CLBT / HT-700
Allison® V730 / 731
Allison® TT / Twin Disc
Allison® CLT 3461 / Terex
Allison® 4000 Off-Highway
Allison® 5000 / 6000
Allison® 8000 / 9000
Allison® TX-100 / Military
Allison® Torque Converter
Allison® Hybrid H 40 / 50 EP
Renewed Allison® Transmissions
GM Duramax Trucks
Commercial Vehicles
Surplus Allison® Parts
Virtual Parts Catalog
Merchandise
GM Duramax Trucks
close

Xcalliber Sign-In

New customer? Create an account.

Forgot password?

close

Create an Xcalliber Account

Already have an account? Sign in.

Register

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.

By creating an account, you agree to Xcalliber’s Privacy Policy and Terms and Conditions.

close

Reset Password

Remembered password? Go back to Sign-In.

Lost your password? Please enter your username or email address. You will receive a link to create a new password via email.

SHIFT ENHANCEMENT KITS

Showing all 14 results

ALLISON® 1000 GM | DURAMAX - Performance Parts

shop loop alter small grid
  • PRK-10SP-800-X

    PRESSURE BOOST KIT (800+ HP) 10...
    PRESSURE BOOST KIT (800+ HP) 10 SPEED ALLISON - 2020 & LATER (DIESEL)
    Add to cart
  • PRK-10SP-X

    PRESSURE REGULATOR KIT, 10 SPEED...
    PRESSURE REGULATOR KIT, 10 SPEED ALLISON - 2020 & LATER (DIESEL)
    Add to cart
  • SPRINGK-X

    RATIOTEK PERFORMANCE SHIFT VALVE...
    RATIOTEK PERFORMANCE SHIFT VALVE (D,E,C) SPRINGS (SET OF 3) - 2001-2010
    Add to cart
  • LRCRSK-X

    LUBE REGULATOR & CONVERTER...
    LUBE REGULATOR & CONVERTER RELIEF SPRING KIT (EARLY 6 SOLENOID)
    Add to cart
  • FTRIM-X

    F-TRIM VALVE END SLEEVE , ALLISON...
    F-TRIM VALVE END SLEEVE , ALLISON 1999-2005 (5 SPEED)
    Add to cart
  • C1VSK-X

    C-1 VALVE & SEALKIT (FITS PUMP...
    C-1 VALVE & SEALKIT (FITS PUMP SUPPORTS MADE PRIOR TO MARCH 2004 - DOES NOT FIT 29541135 OR LATER)
    Add to cart
  • SVK-X

    SVK-X

    PERFORMANCE SHIFT VALVE KIT,1K/2K...
    PERFORMANCE SHIFT VALVE KIT,1K/2K - STEEL VALVES FOR C, D, & E VALVES (2001-2010)
    Add to cart
  • SHIFTKG4-X

    SHIFT KIT - 1K/2K ALLISON MY...
    SHIFT KIT - 1K/2K ALLISON MY 2006-2010 (6 SPEED) LBZ & LMM
    Add to cart
  • SHIFTKG3-X

    SHIFT KIT - GM ALLISON MY1999-2005...
    SHIFT KIT - GM ALLISON MY1999-2005 (5 SPEED) - LB7 & LLY
    Add to cart
  • PRK-X

    RATIO TEK, 1K (2001-10) PRESSURE...
    RATIO TEK, 1K (2001-10) PRESSURE REGULATOR KIT & SHIFT SPRING KIT(C, D, & E SHIFT VALVES)
    Add to cart
  • LBV-X

    LOCK-UP PRESSURE BOOST VALVE, 1K...
    LOCK-UP PRESSURE BOOST VALVE, 1K (2001-2003) - RACING - 650HP+ (LB7 ONLY)
    Add to cart
  • LBV4-X

    LOCK-UP PRESSURE BOOST VALVE, 1K...
    LOCK-UP PRESSURE BOOST VALVE, 1K (2004-2010) - RACING - 650HP+ (LLY, LBZ, LMM)
    Add to cart
  • 800BP-MY11-X

    RATIOTEK, 1K LINE PRESSURE BOOST...
    RATIOTEK, 1K LINE PRESSURE BOOST KIT, 800-1200HP (2011-PRESENT) LML & L5P
    Add to cart
  • 400BP-MY11-X

    RATIOTEK, 1K LINE PRESSURE BOOST...
    RATIOTEK, 1K LINE PRESSURE BOOST KIT, 400-799HP (2011-PRESENT) LML & L5P
    Add to cart
PRESSURE REGULATOR KIT, 10 SPEED ALLISON - 2020 & LATER (DIESEL)
PRESSURE BOOST KIT (800+ HP) 10 SPEED ALLISON - 2020 & LATER (DIESEL)
RATIOTEK PERFORMANCE SHIFT VALVE (D,E,C) SPRINGS (SET OF 3) - 2001-2010
LUBE REGULATOR & CONVERTER RELIEF SPRING KIT (EARLY 6 SOLENOID)
F-TRIM VALVE END SLEEVE , ALLISON 1999-2005 (5 SPEED)
C-1 VALVE & SEALKIT (FITS PUMP SUPPORTS MADE PRIOR TO MARCH 2004 - DOES NOT FIT 29541135 OR LATER)
PERFORMANCE SHIFT VALVE KIT,1K/2K - STEEL VALVES FOR C, D, & E VALVES (2001-2010)
SHIFT KIT - 1K/2K ALLISON MY 2006-2010 (6 SPEED) LBZ & LMM
SHIFT KIT - GM ALLISON MY1999-2005 (5 SPEED) - LB7 & LLY
RATIO TEK, 1K (2001-10) PRESSURE REGULATOR KIT & SHIFT SPRING KIT(C, D, & E SHIFT VALVES)
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)
RATIOTEK, 1K LINE PRESSURE BOOST KIT, 800-1200HP (2011-PRESENT) LML & L5P
RATIOTEK, 1K LINE PRESSURE BOOST KIT, 400-799HP (2011-PRESENT) LML & L5P
Xcalliber