Holley 21-1 LS Accessory Drive Bracket Installation Kit for Standard (Short) Alignment Installation Kit, LS Acc Drive Brackets,

Installation Kit, LS Acc. Drive Brackets, use with Standard belt alignment (Short alignment common on Corvette, Cts-V, & G8) 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.

A Fitment And Required Components Guide helps you locate and source components and provides other notes and helpful hints to figure your distance. Three easy steps will get you going.

Step one is to determine your belt alignment based on your crank pulley position on the engine you have. Step two is to choose the Holley accessory drive brackets that you need (A/C, Alt & P/S or both).

Step three is to see which Holley installation kit your set-up requires to line up your accessories with your crank pulley position. An application specific installation kit (part # 21-1, 21-2, or 21-3) is Required for most applications.

Features and Benefits:

• Includes necessary hardware for installation Aluminum construction Will not rust Lighter than steel brackets

Associated Comments:

• Bolts that come with the spacer kits (21-1, 21-2, & 21-3) are not sold separately.

Details:

• Accessory Drive Style: High-Mount
• Belt Alignment: Short
• Engine: GM Gen III/IV (LS)
• Finish: Cast
• Material: Aluminum
• Thickness: 0.530 Inch Passenger Side
• 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.