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    • Condition: New
       Shipping: 2-3 Business Days

    Shipping: 2-3 Business Days

    Holley's Mid-Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a "bracketless" design, where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are bottom heater outlets for clearance in tight applications. The Holley designed alternator is just as innovative. This premium alternator utilizes 6-phase technology as found on the C7 Corvette. The water pump also shares its design efficiencies with that of the C7 Corvette. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated. The Mid-Mount drive completes Holley's trilogy of accessory solutions giving a third option compared to the High and Low-Mount previously released. All three accessory solutions are for LS engines. When we say "complete", we mean complete. The Mid-Mount system comes with everything you need. All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and the crank damper. All pulleys and the belt are supplied. Even heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness are included. Easy assembly was a priority during the entire development of this accessory solution. Color graphical instructions walk you through every step of the ultra-easy installation. Patent - www.holley.com/patents/


    • Bracketless accessory mounting with ultra-easy assembly

    • Bottom outlet heater hose options for swap application clearance

    • LT1 style premium 150 amp alternator

    • LT1 style water pump cartidge design

    • Compact SD7 A/C compressor

    • Type II power steering pump with baffled reservoir

    • P/S adapter hardline to AN -6 adapter included

    • Steam tube input port

    • Shortened top outlet nipple for more radiator hose turns and routing room

    • OE pulley ratios for optimal accessory performance

    • No adapters/spacers required!

    • Works with all common aftermarket and factory throttle bodies and intakes.

    • Works with VVT applications

    • Works with Hooker turbo manifolds.

    • Fit ALL wet sump LS engines except supercharged. Also will fit dry sump LS engines converted to wet sump.

    • Black Finish

    • All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and the crank damper.

    A/C Compressor IncludedYes
    A/C Compressor TypeSD7
    Accessory Drive StyleMid-Mount
    Alternator Amperage150
    Alternator IncludedYes
    ApplicationGM LS
    Belt IncludedYes
    Choose Your PartAccessory Drive Kits
    Damper IncludedYes
    Damper StyleCast Damper
    Emission Code5
    EngineGM Small Block Gen III/IV (LS Based)
    Inlet Size35.4mm/1.4"
    MaterialCast Aluminum
    Output150 Amps
    Power Steering Hardline IncludedYes
    Power Steering Pulley IncludedYes
    Power Steering Pump IncludedYes
    Power Steering Reservoir IncludedYes
    Product TypeAccessory Drive Kits
    Pulley StyleSerpentine
    Tensioner IncludedYes
    Thermostat IncludedYes
    Deep performance part no.004308
    Water Neck IncludedYes
    Water Pump IncludedYes
    Water Pump Pulley IncludedYes
    Part Number20-185BK

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