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Holley LS Engine Swap Accessory Drive Systems 21-4 Bracket Spacer Kits, Aluminum, Natural, Long, Chevy, Small Block LS, Each

Holley LS Engine Swap Accessory Drive Systems 21-4 Bracket Spacer Kits, Aluminum, Natural, Long, Chevy, Small Block LS, Each

A$308.32
LAST ONE! Est Ship 4-7 days. In stock at 2 locations (6 available)

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Description

Accessory Bracket Installation Kit - Hardware / Spacer - Long Belt Alignment - GM LS-Series - Kit


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:14:54

Data: v4.2 - Upd: 2026-11-08 06:35:09

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Holley, Hilborn, Holley Efi, Retrobright, Terminator X
StreetFX SKU hly21-4
SFX Item ID 4782219
Accounting SKU hly-21-4
Manufacturer SKU 21-4
Manufacturer UPC 090127739754
Alternative References 21-4, HLY-21-4, HOL21-4

Accessory Drive Bracket Spacer Kits, Aluminum, Natural, Long, Chevy, Small Block LS, Each

Now available from Holley are LS engine swap accessory drive systems. Included are accessories and pulleys that are manufactured by OEM part suppliers for durability and direct bolt-on installation. Order the kit that's best suited for your vehicle and engine application.

Features and facts:
• Universal brackets fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets--thus reducing cost and complexity compared with competitive products
• Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or truck drive offsets
• Accessories, tensioner, and pulleys are manufactured by OEM suppliers and many of the parts are used on production vehicles today

Product Attributes
BrandHolley
Manufacturer's Part Number21-4
Part TypeEngine Accessory Bracket Components
Product LineHolley LS Engine Swap Accessory Drive Systems
UPC090127739754
Engine Accessory Bracket Component TypeInstallation kit
QuantitySold as a kit.

Compatibility

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