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Vehicle Info NeededHOLLEYPART NUMBER: 510-21-5
21-5 GM LT Accessory Drive Instillation Kit
$31195
Ships on 11/03/2026
Lowest Price GuaranteeGM 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.
Effective Solutions to Accessory Drive Installation Difficulties
Holley High-Mount Accessory Drive Kits position components well above the cross-member for the room you need to complete your engine swap project.
Holley Low-Mount Accessory Drive Systems
Holley Mid-Mount Accessory Drive Systems
Part TypeAccessory Drive Belt Kit
Product LineHolley High-Mount Accessory Drive Systems
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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Some parts are not legal for use in California or other states with similar laws / regulations
