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Holley Performance 20-242BK Mid-Mount Complete Accessory Drive System

7432476 - 20-242BK

Black - Cast Aluminum - 1.4 in. Inlet Size - Incl. Water Pump/Alternator/Power Steering Pump/Billet Alternator - For Chevy Big Block

20-242BK Mid-Mount Complete Accessory Drive System Holley Performance

View the Full List of Automotive Applications »

Pricing: $1,599.95


Holley Performance - Mid-Mount Complete Accessory Drive System - Part#: 20-242BK Features:

  • All Accessories Pulled In Tighter Than Other Accessory Drives
  • Bracketless Accessory Mounting With Ultra-Easy Assembly
  • O-Ring Seal To Engine
  • LT1 Style Premium Alternator
  • LT1 Style Water Pump Design
  • Compact SD7 A/C Compressor With Line Adapter Included
  • Type II Power Steering Pump With Baffled Reservoir
  • P/S Adapter Hardline To AN -6 Adapter Included
  • OE Pulley Ratios For Optimal Accessory Performance
  • Available In Natural And Bla

View the Full List of Automotive Applications »

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


  • 7432476 - 20-242BK
  • 7432476
  • 20-242BK
  • 090127072813
  • Holley Performance
  • New

Shipping Information

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

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