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Holley 20-136 LS Complete Accessory Drive Kit w/R4 A/C Compressor
Holley 20-136 LS Complete Accessory Drive Kit w/R4 A/C Compressor

Holley 20-136 LS Complete Accessory Drive Kit w/R4 A/C Compressor

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Holley 20-136 LS Complete Accessory Drive Kit w/R4 A/C Compressor
Holley 20-136 LS Complete Accessory Drive Kit w/R4 A/C Compressor
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We estimate this item will ship on or before December 21st.
Part # 42520136
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


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HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

Now available from Holley are complete kits that have everything needed for the application including the belt. Included are accessories, pulleys, tensioner, and belt that are manufactured by OE part suppliers many of which are on production cars today.

  • Ideal for crate engines, take out motors and engine builders
  • OEM spec flanged head hardware included to match your factory LS engine hardware
  • OEM quality natural finish die castings for clean looks and durability. Can be polished, coated, painted or plated.
  • Accessories, tensioner, and pulleys are manufactured by OEM suppliers many of which are on production vehicles today.
  • Simple, dedicated installation kits allow easy fitment to Corvette, F-Body or Truck drive offsets
  • Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products
  • The most cost effective LS bracket solution on the market!


Kit includes the following parts: 

  • 70R154 - BELT, 6V SERPENTINE
  • 97-153 - IDLER PULLEY, GROOVED, 59mm DIAMETER¬†¬†425-97153
  • 20-131 - LS ACC DRV BRACKET KIT¬†¬†425-20131
  • 97-152 - PULLEY, P/S PUMP, LS¬†¬†425-97152
  • 97-151 - TENSIONER ASSEMBLY, LS¬†¬†425-97151
  • 97-150 - IDLER PULLEY, SMOOTH, 2.75" DIAMETER¬†¬†425-97150
  • 199-200 - HARNESS PIGTAIL, 8mm PIN, R4 COMPRESSOR¬†¬†425-199200
  • 197-400 - HARNESS PIGTAIL, ALTERNATOR, AD STYLE¬†¬†425-1974003
  • 199-100 - AC R4 COMPRESSOR, 8mm PIN, R-134a¬†¬†425-199100
  • 198-100 - P/S PUMP, CORVETTE ALUMINUM¬†¬†425-198100
  • 197-301 - ALTERNATOR, 130 AMP, LARGE CASE¬†¬†425-197301
Some parts are not legal for use in California or other states with similar laws/regulations

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