SKU: 50693556093

Small Block Chevrolet - Gen III/IV - LSA 20-166BK

Sale price$179.95 Regular price$199.95
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Description

Small Block Chevrolet - Gen III/IV - LSA 20-166BKSmall Block Chevrolet Gen III IV LSA If you're looking to swap an LSA or LS engine into your vehicle but your engine didn't come with an alternator bracket or the factory setup is too wide to fit your project, Holley has the answer. The 20 166 Bracket tucks the Alternator in closer toward the engine when compared to the original LSA accessories, giving more clearance where needed. These brackets look truly at home on the LSA engine, so much so that

Small Block Chevrolet - Gen III/IV - LSA

If you're looking to swap an LSA or LS engine into your vehicle but your engine didn't come with an alternator bracket or the factory setup is too wide to fit your project, Holley has the answer. The 20-166 Bracket tucks the Alternator in closer toward the engine when compared to the original LSA accessories, giving more clearance where needed. These brackets look truly at home on the LSA engine, so much so that nobody will realize it didn't come from factory this way.

NOTES: Torque M10 bolt to 36 ft./lbs. When wiring the alternator, install the included 197-400 plug into the alternator. Next, connect the yellow wire to switched voltage that is "on" when the key is in the run position. If the vehicle has a "charge indicator light", the yellow wire can be connected to that circuit.

Features:

  • Compatible with the original LSA damper/pulley and similar aftermarket versions
  • Compatible with all Holley Alternators
  • Notably more clearance to swap applications than other options
  • Compatible with Holley P/N 20-160 compact SD7 A/C kit
  • Compatible with LSA and 2010-15 LS Camaro water pumps
  • OE pulley ratios for optimal accessory performance, allows for larger SC crank pulley
  • Original Equipment look ? Available in Natural and Black Finishes

Specs:

Accessory Drive Style Low-Mount
Application GM LS Engines
Belt Included No
Brand Holley
Damper Style Factory
Emission Code 5
Engine GM Gen III/IV (LS)
Finish Black
Material Cast Aluminum
Power Steering Pump Included No
Product Type Accessory Bracket
Warranty Limited 90 Day
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: 50693556093

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Mickey Ryder
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Awesome!
Color: White and Black, Size: 15.7"
Nice sturdy shelves. Looks awesome on my walls.
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Reviewed in the United States on May 19, 2026
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norton
Birmingham, US
★★★★★ 5
Great for knick-knacks and toiletry items
Color: Dark Brown, Size: 15.7"
Perfect for the bathroom. I love that you can position the shelves in different arrangements. Sturdy enough for knick-knacks and toiletry items. Looks exactly as pictured.
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Reviewed in the United States on May 27, 2026
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Matt
Lexington, US
★★★★★ 4
Shelf
Color: Black and Gold, Size: 15.7"
Some holes are not pre drilled, over all easy to assemble. Looks good on wall and surprisingly sturdy
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Rhart
Chelsea, US
★★★★★ 5
Easy to install
Color: Black, Size: 15.7"
This made my bathroom look a lot better. Its easy to assemble. Its sturdy enought to hold a lot of things.
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Teresa
Waukegan, US
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Color: Black, Size: 15.7"
Love these shelves! Great quality and design. I have them in two different colors two different bathrooms. Adds the perfect touch of design.
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Reviewed in the United States on May 15, 2026

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