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Engines and Components Belts and Pulleys

Holley

COMP MID-MT SYSTEM, LS WP ALT PS-POLISHE

$3,228.95 $2,699.57 Save $529.38

SKU: H00E 20-186P

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 20-186P

Holley's Mid-Mount Accessory Drive System is now offered for the serious racer in mind. If you need a front drive system for your LS engine racecar, they are now available without air conditioning and power steering depending upon your needs!

Features:

  • 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 cartridge design
  • 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.
  • Fits ALL LS engines except with dry sump and/or supercharger.

LS Engine Drive includes Alternator, P/S Pump, Tensioner, Crank Damper, Belt, & Pulleys

MIA's Description

Holley's Mid-Mount Complete Race Accessory Drive System for GM LS Gen III/IV engines is a compact and race-oriented solution for accessory placement. This system positions accessories tighter to the block, providing increased chassis and engine swap clearance. It includes a polished SD7 compressor, a Type II power steering pump with a remote reservoir, and a 145 amp alternator. This system is designed for race applications.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E 20-186P
Weight52.45 lb

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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