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Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT5 Dry Sump Engines

Complete GM Gen V LT5 Accessory Drive System w/ Alt, P/S, A/C, Water Pump, Belts, and hardware.

Part # 20-230 Be the first to write a review
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This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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Holley's complete accessory systems for LT4 and LT5 applications have all accessories pulled up and in tight. Plus, they add the much needed hydraulic power steering solution. There are no shortcuts here. Holley incorporates a splined dual bearing system that eliminates all belt stresses on the P/S pump's internal bearings, assuring long life. The supercharger drive maintains the original and optimized belt path and tensioner. The accessory layout is as if the original manufacturer had designed it for your swap application. Included with each drive system is a throttle body angle correcting adapter that better positions the TB for swap applications as opposed to the aggressive original application intended angles. Versions of these accessory drives are available for both wet and dry sump applications. Patent -


  • Adds power steering without any belt load on the P/S pump
  • Notably more clearance to swap applications than other options
  • Original equipment look
  • LT4 style premium alternator
  • LT4 style water pump design
  • Compact SD7 A/C compressor
  • A/C line adapters included
  • Type II power steering pump
  • P/S hard line adapters included
  • Bottom outlet swivel heater hose options for swap application clearance
  • Throttle body angle correcting adapter for easier intake tube routing on swap applications
  • OE pulley ratios for optimal accessory performance, allows for larger SC crank pulley
  • Available LT4/5 dry-sump & LT4 wet-sump applications
  • LT4/5 specific accessories available for plumbing oil cooler and PCV oil separator OE system

About Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

A/C Compressor IncludedYes
A/C Compressor TypeSD7
Accessory Drive StyleMid Mount
Alternator Amperage150
Alternator IncludedYes
ApplicationGM Gen V LT5
Belt IncludedYes
Brand Holley
Choose Your PartAccessory Drive Kits
Damper IncludedNo
Damper StyleFactory
Emission Code5
EngineGM Gen V LT5
Inlet Size35.4mm/1.4"
MaterialCast Aluminum
Oil System TypeDry Sump
Output150 Amps
Power Steering Hardline IncludedYes
Power Steering Pulley IncludedYes
Power Steering Pump IncludedYes
Power Steering Reservoir IncludedNo
Product TypeAccessory Drive Kits
Pulley StyleSerpentine
Tensioner IncludedYes
Thermostat IncludedYes
WarrantyLimited 90 Day
Water Neck IncludedYes
Water Pump IncludedYes
Water Pump Pulley IncludedYes
Part Number20-230

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Limited 90 Day: See Details

Have a question about this product?

  • Question

    I have a couple of questions regarding this product. Can you answer the following: * Does this setup still use the 11 groove belt and pulley system that comes with the engine? * It appears that this setup still uses the original throttle body that comes with the engine, is that correct? * What is the part number of the Alternator that comes w/ this setup? * I already have the original pulley setup and the SD7 compressor, would you sell the parts I need to complete this setup? * Where was this made and by whom?

    By Ed V. on November 28, 2019

    Hey, Ed! Great questions. The belt included in this kit is the 11-rib Bando Aramid 11PK2137A Yes, this system is designed around the factory throttle body and does not include one. The 20-230 kit comes with the 197-302 natural aluminum finish alternator. If you'd like to piece together the parts you need, you can call us and place an order with one of our tech sales experts at 866-464-6553. The entire kit was Designed, engineered, and tested in our Bowling Green facility. This kit contains products that are a combination of components made in-house and sourced products from domestic and imported manufacturers.
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    Some parts are not legal for use in California or other states with similar regulations.