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21-5 GM LT Accessory Drive Instillation Kit
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-21-5

21-5 GM LT Accessory Drive Instillation Kit

$31195
ShippingShips on Sep 04, 2026
Lowest PriceLowest Price Guarantee

GM Gen V LT Accessory Drive Installation Kit
    GM LT Accessory Drive Instillation Kit
  • Allows Use of LS Accessory Drive Systems on LT Engine
  • Bolt On
    Includes:
  • Spacers for LS Style Brackets
  • Water Pump Spacers
  • Solenoid Re-Clocking Retainer Ring
  • Front Harness

    Features:
  • Mounts any of Holley's popular High Mount accessory drive brackets to LT engines
  • Utilizes conventional LS center water pump
  • No engine modification required - completely bolt-on
  • Hides temperature sensor and harness connector from sight
  • Works with LT Truck Harmonic Balancer
  • Cost Effective and Proven Solution
  • Utilizes conventional single sided belt
  • Easy way to add power steering with your Gen-V LT Engine swapFitment Notes:
    This accessory drive installation kit must be use with an LS water pump and the LT Truck harmonic balancer. There is only one belt spacing on this accessory drive kit. Corvette and other LT engines must be use the Truck harmonic balancer.
    This spacer kit does not fit any dry sump applications.
Part TypeAccessory Drive Belt Kit
BrandHOLLEY
Package Height5.5
Package Width7.4
Package Length16.1
Weight7.76 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number21-5
Package Qty1
Package TypeEA
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