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Holley 21-4 Accessory Drive Hardware Kit
Holley
SKU 21-4

Holley 21-4 Installation Kit for Low LS Accessory Drive Bracket W/ Long Alignment Installation Kit, Low LS Acc Drive Brackets,

$112.95 USD
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Free shipping For USA, up to 50 lbs
90-day returns Free, no restocking fees
Warranty Manufacturer's Limited 90 Day

Installation Kit, 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.

Features and Benefits:

  • Light weight cast aluminum Fits GM LS motors with Holley accessory drives Provides proper belt alignment Works with multiple applications

Associated Comments:

  • 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.

Details:

  • Accessory Drive Style: Low-Mount
  • Belt Alignment: Long
  • Engine: GM Gen III/IV (LS)
  • Finish: Cast
  • Material: Aluminum
  • Warranty: Manufacturer's Limited 90 Day Warranty

Installation Guide: Download PDF

Installation / Product Video: Watch on YouTube

⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.

A vehicle fitment list isn’t available for this part.

Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.

Shipping Information

Free shipping is available for eligible orders.

Shipping: For USA - Up to 50lbs.

Orders are processed during normal business days. Delivery dates may vary by carrier and destination.

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