SKU: 99889710881

Holley Premium Black Mid-Mount LS7 Complete Accessory System - Dry Sump 20-190BK

Sale price$1687.47 Regular price$1874.97
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Description

Holley Premium Black Mid-Mount LS7 Complete Accessory System - Dry Sump 20-190BKOverview: Holley's Premium Mid Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a "bracketless" design (Patent Pending), where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are bottom heater outlets for

Overview:

Holley's Premium Mid-Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a "bracketless" design (Patent Pending), where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are bottom heater outlets for clearance in tight applications. The Holley designed alternator is just as innovative. This premium alternator utilizes 6-phase technology as found on the C7 Corvette. The water pump also shares its design efficiencies with that of the C7 Corvette. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated. The Mid-Mount drive completes Holley's trilogy of accessory solutions giving a third option compared to the High and Low-Mount previously released. All three accessory solutions are for LS engines. When we say "complete", we mean complete. The Mid-Mount system comes with everything you need. All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and an SFI certified damper w/hard anodized billet crank pulley. All pulleys and the belt are supplied. Even heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness are included. Easy assembly was a priority during the entire development of this accessory solution. Color graphical instructions walk you through every step of the ultra-easy installation. The Premium Mid-Mount system comes with dress up pulley covers and an SFI certified damper. Partnered with this damper is a billet 6061-T6 aluminum hard anodized crank pulley. This system is ready for the racetrack if you want to play or just be ready for anything on the street.

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
  • Compact SD7 A/C compressor
  • 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!
  • Billet tensioner cover
  • Billet alternator, and compressor pulley covers
  • SFI certified damper w/hard anodized billet crank pulley
  • Works with all common aftermarket and factory Throttle bodies and intakes.
  • Works with Hooker turbo manifolds.
  • Fits LS7 and LS engines with dry sump and without supercharger.
  • Black Finish

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

A/C Compressor Included Yes
A/C Compressor Type SD7
Accessory Drive Style Mid Mount
Alternator Amperage 150
Alternator Included Yes
Application GM LS
Belt Included Yes
Brand Holley
Choose Your Part Accessory Drive Kits
Damper Included Yes
Damper Style SFI Certified
Emission Code 5
Engine GM LS7
Finish Black
Inlet Size 35.4mm/1.4"
Material Cast Aluminum
Output 150 Amps
Power Steering Hardline Included Yes
Power Steering Pulley Included Yes
Power Steering Pump Included Yes
Power Steering Reservoir Included Yes
Product Type Accessory Drive Kits
Pulley Style Serpentine
Tensioner Included Yes
Thermostat Included Yes
Warranty Limited 90 Day
Water Neck Included Yes
Water Pump Included Yes
Water Pump Pulley Included Yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99889710881

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4.0 ★★★★★
Based on 2375 reviews
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Product Reviews
C
Verified Purchase
c.laff
Phoenix, US
★★★★★ 3
These are not sized correctly - beware
Color: Blue-ice Plus, Size: King(Pack of 2), Color: Blue-ice Plus, Size: King(Pack of 2)
Edit: I was going to return these pillows but the seller contacted me and offered a full refund due to the size issue without having to send the pillows back. I am happy with this and happy to keep them on a spare queen size bed as they really are nice pillows. Just the wrong size. pros: they are a nice pillow and the cooling feature is really great, and you can adjust to your liking cons: absolutely wrong size. Ordered King, tag says king, all measurements on listing and tag say 20x36, in reality they are more like 20x30. Definitely Queen pillows being sold as King. I did not see any reviews at first about size issues but after I got these and did a search it does look like others have had the same problem. A shame, would have given them a great review if they were the correct size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
L
Verified Purchase
Leah Ann Dillin
Lake Worth, US
★★★★★ 5
Cool and comfy
Color: Blue-ice Plus, Size: King(Pack of 1)
Great pillow. Keeps you cool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
R
Verified Purchase
Rene
Draper, US
★★★★★ 5
Really Good Cooling Pillows for Sleeping
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
These cooling pillows are very soft and provide excellent support for your head and neck. They are adjustable by taking our the stuffing if you need them to be more flat or less firm. The look great and comes in a pack of two which is a great value. During use, I did notice they have great shape retention and it does not take them long to return to their fluffy full shape. I am a hot sleeper and these do keep your head cool - just be aware using a pillow cover does reduce the cool ability but this allows you to adjust for weather like during winters to add a pillow case for extra warmth. Very happy with this purchase and got a second set to replace my old pillows.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
R
Verified Purchase
ryguy
Massapequa, US
★★★★★ 5
Soft and smooth cover
Color: Grey, Size: Body(20"X 54")
This is a nice pillow cover overall. The fabric feels good and it's comfortable to sleep on, especially compared to a more basic cotton cover. It is maybe a little thinner than I expected, so if you want something thick and heavy this probably isn't that. But for a soft smooth cover that fits and feels decent, I think it's worth it. No major complaints from me after using it.
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Reviewed in the United States on May 16, 2026
K
Verified Purchase
Kindle Customer
Lake Worth, US
★★★★★ 5
These are the ones you want
Color: Grey, Size: Body(20"X 54")
May need to iron them out when wash/dried but my old ones still look new- soft, cooling, smooth, color is still great. Not itchy or cheap feeling. Buying a new set for family.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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