Order by phone 1-888-485-5072

Holley Performance 20-230 Premium Mid-Mount Complete Accessory System

7421234 - 20-230

For GM V LT5 Dry Sump Engines - Incl. Water Pump/Alternator/Power Steering Pump/Tensioner - Aluminum - Cast Finish

20-230 Premium Mid-Mount Complete Accessory System Holley Performance

View the Full List of Automotive Applications »

Pricing: $2,799.95


Holley Performance - Premium Mid-Mount Complete Accessory System - Part#: 20-230 Features:

  • 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 Corr

View the Full List of Automotive Applications »

Below is an abbreviated list of applications for the Premium Mid-Mount Complete Accessory System.


Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.


  • 7421234 - 20-230
  • 7421234
  • 20-230
  • 090127073155
  • Holley Performance
  • New

Shipping Information

  • Item Requires Shipping
  • 71.7 lbs.
  • W18.0000” x H16.0000” x L24.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

Share Holley Performance 20-230 Premium Mid-Mount Complete Accessory System on Facebook

Items: 0
Total: $0.00

Can't find what you need? Questions?

Just ask us! ... Use our online email form to submit details on what you are looking for. We will do our best to locate this part for you!

Why Shop From Tognottis Auto/Truck?

Extensive Selection

Covering all of your truck accessory and performance parts needs.

Low Prices Everyday

See it for less? Let us know! Request a price match.

Fast Shipping

See our detailed shipping rates.Easy Returns. View our policies and procedures.

Superior Customer Service

Find the answers to commonly asked questions.

Secure Web Transactions

All transactions involving personal information are secured through SSL encryption.