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Holley 21-4BK Installation Kit for Low LS Accessory Drive Bracket w/ Long Alighnment- Black

Part # 21-4BK Be the first to write a review

Installation Kit, Low LS Acc. Drive Brackets, use with LONG belt alignment & bracket 20-155 (alignment common on Trucks & '10-UP Camaro)

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Holley 21-4BK Installation Kit for Low LS Accessory Drive Bracket w/ Long Alighnment- Black

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Installation Kit, Black, Low LS Acc. Drive Brackets 20-155 with LONG belt alignment (alignment common on Trucks & '10-UP Camaro)

Holley accessory drive installation kits provide proper spacing for Holley A/C, P/S & Alt accessory drive brackets, so belts ride at the perfect distance on your particular engine.
Brand Holley
Emission Code5
Product TypeAccessory Drive Kits
UPC090127018170
Manufacturer Part Number21-4BK
Part Number21-4BK
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions for Part# 21-4
Low LS Accessory Drive Fits Middle and Long accessory spacing only (does not fit Short accessory spacing Corvette/CTS-V/G8). Customers w/ short spacing can swap out water pump and crank pulley to convert to middle or long spacing. Long Spacing requires Installation kit 21-4.
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