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Holley 21-3 - Holley LS Accessory Drive Kits



Holley 21-3 - Holley LS Accessory Drive Kits
Holley 21-3 - Holley LS Accessory Drive Kits

JEGS Part Number: 510-21-3

Long Belt Installation Kit

Holley 21-3 Details

Installation Kits

Belt alignment commonly used on trucks and 2010-up Camaro.

Holley LS Accessory Drive Kits

Holley LS Series Accessory Drive Kits are simple, clean, cost-effective solutions to the accessory drive challenges encountered when swapping a GM LS engine into a muscle car, truck, hot rod, or other vehicle. Holley Kits supply the required brackets and hardware needed for installation yet allow you to choose the source for supplemental accessories and components that are often already on the engine or vehicle. These brackets were designed to deliver correct belt alignment, factory stability, and stock-style appearance. Whether sourcing from the salvage yard, local auto parts store, GM parts dealer, or Holley, you pick the accessories that match your needs and budget!

Click for Fitment Guide #510-20-131
Click for Fitment Guide #510-20-133
Click for Fitment Guide #510-20-135

Note: An application specific installation kit is required for most applications (#510-21-1, #510-21-2, or #510-21-3)

Holley 21-3

Mounting Hardware Included
Yes
Accessory Drive Kit Component Type
Installation kit
Quantity
Sold as a kit
Manufacturer's Part Number:
21-3
Rated 5 out of 5 by from Proper Fit The Holley 21-3 spacer kit fit properly to the Holley 20-130 accessary drive kit for my LS3 powered 56 Corvette restomod pro touring project.
Date published: 2016-03-01
  • 2016-04-29T09:01CST
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