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Instruction Sheets for Part Number HLY-21-2BK
Holley LS Engine Accessory Drive Kits
Accessory Drive Bracket Spacer Kits, Aluminum, Black Finish, Middle Alignment, Chevy, Small Block LS, Each
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
21-2BK
Part Type:
Product Line:
Summit Racing Part Number:
HLY-21-2BK
UPC:
090127007280
Air Conditioning Bracket Included:
No
Alternator Bracket Included:
No
Power Steering Bracket Included:
No
Quantity:
Sold as a kit.
Notes:
Spacer kit for LS accessory drive systems, for engines with middle belt alignment, commonly found on Camaro, GTO.
Holley LS Engine Accessory Drive Kits
Holley LS engine accessory drive kits offer simple, clean, cost-effective solutions when swapping a GM LS engine into a muscle car, truck, hot rod, or any other vehicle. These bracket kits deliver a factory-style appearance, correct belt alignment, and factory stability. They fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets—reducing cost and complexity. Holley LS engine accessory drive kits position the A/C compressor high above the crossmember, but below the hood line, for an easy installation. The brackets are manufactured from diecast aluminum with a natural, polished, or black finish. (An application-specific installation kit is required, but sold separately.)
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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