The best LS swap accessory drive kit depends on your engine, available space, and which accessories you need to run. The Holley mid-mount systems suit buyers seeking a complete drive with a water pump, while the Bevinsee kit targets LS swaps where reducing accessory-drive width matters. ICT Billet offers a Corvette-style bracket kit and a truck-location bracket for buyers choosing a more specific layout. Compare pulley requirements and included accessories before selecting a setup.
| Product | Best For | Key Difference |
|---|---|---|
| Bevinsee LS Serpentine Bracket | Tight engine bays | Two installation methods are shown |
| ICT Billet Corvette Bracket Kit | Corvette-style accessory layout | Requires a specified Corvette-style crank pulley |
| Holley 20-186BK | Water pump, alternator, and power steering | Mid-mount system without listed A/C |
| Holley 20-185BK | Buyers needing A/C and power steering | Mid-mount system with listed A/C |
| ICT Billet Truck OEM Bracket | Truck-location arrangement | Designed for a Saginaw Type 1 pump |
Bevinsee LS Serpentine Bracket Kit
This bracket kit is best for LS swap buyers who want an alternator and power-steering-pump arrangement and are trying to reduce the width needed at the frame or engine compartment. The listed application includes LS1, LS2, LS3, LS6, and LS7 engines, along with 4.8L, 5.3L, 6.0L, and 6.2L truck engines.
The product information shows two common installation methods and states that an instruction manual is included. That makes it a relevant choice for builders comparing routing options during a conversion. Limitation: specific belt lengths are not provided, so the belt must be determined for the chosen installation and bracket arrangement.
ICT Billet Corvette Alternator And Steering Kit
This ICT Billet kit is best for builders seeking a Corvette-style accessory arrangement for a compatible Gen III or Gen IV engine. Its stated applications include Corvette, G8, SS, and CTS-V models with engines such as the LS1, LS2, LS3, LS6, LS7, and L77 from 1997 through 2013.
The bracket is made from billet aluminum, and the product is described as made in Wichita, Kansas. Choose it if the planned build matches its listed application and crank-pulley requirement. Limitation: the kit requires a Corvette or CTS-V/G8/SS crank pulley identified as 12560115, or ICT Billet BAL100; confirm that requirement before ordering.
Holley Mid-Mount System 20-186BK
Choose the Holley 20-186BK if you need a complete front accessory system with a water pump, alternator, and power steering, but do not need the A/C option listed in the companion Holley configuration. The system is described as a bracketless mid-mount design with assembly intended to be straightforward.
Listed details also include bottom-outlet heater-hose options for swap clearance and an LT1-style 150-amp alternator. The stated engine range covers Gen III/IV 4.8L, 5.3L, LS1, LS2, LS3, and LS6 engines. Limitation: A/C is not listed among this system’s included accessories; choose the other Holley configuration if A/C is required.
Holley Mid-Mount System With A/C
This Holley system is best for an LS swap where the planned accessory list includes a water pump, alternator, A/C, and power steering. It shares the bracketless mid-mount design and bottom-outlet heater-hose options described for swap clearance. The listed 150-amp alternator is LT1 style.
Its stated engine applications include Gen III/IV 4.8L and 5.3L engines, plus LS1, LS2, LS3, and LS6. Compared with the 20-186BK, the key distinction in the supplied product names is the addition of A/C. Limitation: verify the full package contents and fit for the exact build before purchase; the listed features do not provide detailed belt-length information.
ICT Billet Truck OEM-Location Bracket
This ICT Billet bracket is best for a buyer seeking a truck OEM-location alternator and power-steering arrangement. Its listed applications include LQ4, LQ9, 4.8L, 5.3L, and 6.0L engines, and it is also described as compatible with a truck, SUV, or LS3/L99 Camaro crank pulley.
The bracket is made from billet aluminum and is specified for a Saginaw Type 1 power-steering pump. Choose it when those pulley and pump details match the planned setup. Limitation: this listing describes a bracket, not a complete accessory-drive system with a water pump and all accessories included.
Buying Guide: How To Choose An LS Accessory Drive
Which accessories do you need?
Start by listing the components the vehicle needs: alternator, power steering, A/C, and water pump. The Holley 20-186BK lists a water pump, alternator, and power steering. The 20-185BK adds A/C. The ICT Billet products are bracket-focused options, so compare their stated scope with the accessories already available for your build.
Does the pulley layout match your engine?
Check the crank pulley requirement before choosing a bracket. The Corvette-style ICT Billet kit specifies a Corvette or CTS-V/G8/SS crank pulley. The truck-location ICT Billet bracket lists truck, SUV, or LS3/L99 Camaro crank-pulley compatibility. Do not assume that pulley requirements are interchangeable between these layouts.
Will the arrangement suit available space?
Engine-bay clearance can influence accessory placement. Bevinsee specifically describes its application as aiming to reduce width at the frame or engine compartment. Holley identifies a mid-mount layout and bottom-outlet heater-hose options for swap clearance. Compare the product’s stated arrangement with the space and hose routing in your vehicle.
What should you verify before ordering?
Confirm engine family, pulley type, power-steering-pump type, accessory needs, and belt-routing details. Bevinsee does not provide specific belt lengths because length depends on the installation method and bracket composition. For any kit, check the listing’s current fitment and included-parts details against the exact engine and accessory combination.
Frequently Asked Questions
What does an LS swap accessory drive kit do?
It provides brackets and related components to position engine accessories, such as an alternator or power-steering pump, on an LS engine. The parts included vary by product.
Which listed kit includes A/C?
The Holley 20-185BK is identified as the mid-mount system with A/C, water pump, alternator, and power steering.
Does the Bevinsee kit provide a specific belt length?
No. Its product information says belt length varies with installation method and bracket composition and does not provide a specific length.
What power-steering pump does the ICT truck bracket use?
The listing specifies compatibility with a Saginaw Type 1 power-steering pump.
What should I check first when comparing kits?
Verify the exact engine application, crank-pulley requirement, included accessories, pump type, and clearance needs before selecting a kit.