Holley 20-135 LS/LT High-Mount Accessory Drive Bracket Cast Driver's Side P/S & Alt Bracket for Applications Without A/C or Using

Note: This bracket May Require an installation kit for assembly (Part 21-2 Or 21-3, see Fitment Guide below for details). Holley is pleased to offer simple, clean, cost effective solutions that solve the accessory drive challenges encountered when swapping a GM LS engine into a muscle car, truck, hot rod or other vehicle.

These brackets were designed to deliver a factory style appearance, correct belt alignment and factory stability. Key Features: The most cost effective LS bracket solution on the market!

Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products Simple, dedicated installation kits allow easy fitment to Corvette, F-Body or Truck drive offsets Utilizes commonly available and affordable GM alternators and power steering pumps Factory quality natural finish die castings for clean looks and durability. Can be polished, coated, painted or plated.

Factory spec flanged head hardware included to match your factory LS engine hardware Complete accessory drive kits include all components and accessories are also available Ideal for crate engines, take out motors and engine builders! Holley's kits supply the required brackets and hardware needed for installation, but allow you to choose the source for supplemental accessories and components that are often already on the donor engine or host vehicle.

Whether sourcing from the salvage yard, the local auto parts store, your GM parts dealer, or Holley, you pick the accessories that match your needs and budget! A Fitment And Required Components Guide helps you locate and source components and provides other notes and helpful hints.

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:

• The most cost effective LS bracket solution on the market! Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products Simple, dedicated installation kits allow easy fitment to Corvette, F-Body or Truck drive offsets Utilizes commonly available and affordable GM alternators and power steering pumps Factory quality natural finish die castings for clean looks and durability
• Can be polished, coated, painted or plated
• Factory spec flanged head hardware included to match your factory LS engine hardware Complete accessory drive kits include all components and accessories are also available Ideal for crate engines, take out motors and engine builders!

Associated Comments:

• For all LS Engine Swaps-Please refer to your specific body style engine mount kits for additional modification and fitment requirements. Note for Lt Applications: If installing on Lt application refer to 21-5 Lt installation kit instructions before proceeding.

Details:

• A/C Compressor Included: No
• Accessory Drive Style: High-Mount
• Alternator Included: No
• Application: GM Gen V Lt | GM LS
• Belt Included: No
• Damper Style: Factory Standard Middle or Long
• Engine: GM Gen III/IV (LS)
• Finish: Cast
• Material: Cast Aluminum
• Power Steering Pump Included: No
• 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.