LS Accessory Drive Bracket - A/C, P/S & Alt Brackets - works with R4 compressor
This bracket REQUIRES an installation kit for assembly (Part HLY21-1, HLY21-2, OR HLY21-3, see Fitment Guide attached for the correct installation kit for your application).
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.
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:
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, power steering pumps and A/C compressors A/C brackets position the compressor high above the cross-member but below the hood line for easy installation and great looks A/C brackets are also a bolt on solution to relocate A/C compressor on engines using a GM Corvette accessory drive system A/C bracket accepts GM R4 compressor (Sanden version now available) OEM quality natural finish die castings for clean looks and durability. Can be polished, coated, painted or plated. OEM 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 has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
Works with R4 A/C compressor; Requires application specific installation kit
***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.
For Use w/Short Belt Alignment Cast Aluminum Key Features: ΓÇó The most cost effective LS bracket solution on the market! ΓÇó Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products ΓÇó Simple, dedicated installation kits allow easy fitment to Corvette, F-Body or Truck drive offsets ΓÇó Utilizes commonly available and affordable GM alternators, power steering pumps and A/C compressors ΓÇó A/C brackets position the compressor high above the cross-member but below the hood line for easy installation and great looks ΓÇó A/C brackets are also a bolt on solution to relocate A/C compressor on engines using a GM Corvette accessory drive system ΓÇó A/C bracket accepts GM R4 compressor (Sanden version now available) ΓÇó OEM quality natural finish die castings for clean looks and durability. Can be polished, coated, painted or plated. ΓÇó OEM spec flanged head hardware included to match your factory LS engine hardware ΓÇó Complete accessory drive kits include all components and accessories are also available ΓÇó 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.Product Description:
Accessory Bracket Air Conditioning / Alternator / Power Steering Aluminum Natural GM R4 Compressor GM LS-Series Sold IndividuallyFor over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.
