TransGo Lock-Up Boost Valve, 2001-2004 LB7

Part# ‍A1-LU-BST

$56.20

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Fits: 2001 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel with Allison Transmission

This TransGo kit addresses torque converter slip under heavy duty/race conditions and the common P0741 trouble code.

Features:

  • Reduces torque converter slip under heavy duty/race conditions
  • Significantly increases lock-up oil pressure with 2 optional springs

Includes:

  • Lock Up Boost Valve Kit

Notes:

  • Lock-up "firmness/feel" will be much more noticeable
  • Recommended for high horsepower applications & performance use only