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Description
LS/LT Complete Accessory Drive Kit- Black Finish - 20-137BKOverview: Now available from Holley are complete kits in black 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. Replacement hardware kit is 97 171 Features: 197 301 ALTERNATOR, 130 AMP, LARGE CASE INCLUDES THE FOLLOWING ITEMS Ideal for crate engines, take out motors and engine builders OEM
Overview:
Now available from Holley are complete kits in black 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.
Replacement hardware kit is 97-171
Features:
- 197-301 - ALTERNATOR, 130 AMP, LARGE CASE
INCLUDES THE FOLLOWING ITEMS - 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/LT bracket solution on the market!
- KIT Contains:
- 198-100 - P/S PUMP, CORVETTE ALUMINUM
- 199-101 - AC SD508 SANDEN COMPRESSOR, R-134a
- 70R155 - BELT, 6V SERPENTINE
- 20-132 - LS A/C DRV BRACKET KIT (WORKS W/SANDEN AC COMP)
- 97-152 - PULLEY, P/S PUMP
- 97-151 - TENSIONER ASSEMBLY
- 197-400 - HARNESS PIGTAIL, ALTERNATOR, AD STYLE
- 97-150 - IDLER PULLEY, SMOOTH, 2.75" DIAMETER
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| A/C Compressor Included | Yes |
|---|---|
| A/C Compressor Type | SD508 |
| Accessory Drive Style | High Mount |
| Alternator Amperage | 130 |
| Alternator Included | Yes |
| Application | GM Gen V LT |
| Application | GM LS |
| Belt Included | Yes |
| Brand | Holley |
| Choose Your Part | Accessory Drive Kits |
| Damper Included | No |
| Damper Style | Factory Standard Middle or Long |
| Emission Code | 5 |
| Engine | GM LS |
| Finish | Black |
| Material | Cast Aluminum |
| Output | 130 Amps |
| Power Steering Hardline Included | No |
| Power Steering Pulley Included | Yes |
| Power Steering Pump Included | Yes |
| Power Steering Reservoir Included | No |
| Product Type | Accessory Drive Kits |
| Pulley Style | Serpentine |
| Tensioner Included | Yes |
| Thermostat Included | No |
| Warranty | Limited 90 Day |
| Water Neck Included | No |
| Water Pump Included | No |
| Water Pump Pulley Included | No |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
Great valet tray!
Color: Brown
I needed something to help me keep my personal items organized, and saw this valet tray. I like how it looked and bought one. Then a bought a couple for my kids for Christmas presents, then a few more for around the house. We all like them because it feels good to be somewhat organized. I would definitely recommend them.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Worth the money
Color: Black
While this is in 2 pieces, it’s a great desk mat and the wireless charging is awesome!
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Total Game Changer for Your Desk Space!
Color: Black, Color: Black
I decided to finally foray into the desk mat space, and my only regret is not doing this sooner. This particular mat is not only an instant upgrade, visually, for my desk, but also gives me a convenient place to tuck away those couple papers/cards I always need to have within reach.
It goes without saying, my favorite part of this is the high quality wireless charging piece. Aside from eliminating an extra cord, it helps minimize the clutter and lets me charge my phone AND AirPods simultaneously.
This is the first of many I will be purchasing, as it is the PERFECT gift for anyone with a desk.
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Reviewed in the United States on February 10, 2026
★★★★★ 4
Honestly, this is pretty nice!
Color: Black, Color: Black
At first I was a little disappointed in the design of this device because the mat and the charger are two separate pieces; but the magnet that is connecting them together is pretty strong, so I ended up not minding it. The magnet in the charger is pretty strong too, though, so the whole thing tends to lift up when you pick up your phone - this is my first MagSafe charger, so perhaps that is standard with these, I wouldn't know.
As you can see in the picture, this isn't your standard mouse pad. It's leather on one side and felt on the other (you can pick which side you want to face up, which is a nice design feature, I suppose). It's smooth and wipes off easily but really collects fingerprints and hairs.
It's also a good size. Not too big, not too small. I was a little worried because it's smaller than my older mousepad but I haven't suffered for it. I may even prefer this smaller size if I'm being honest.
I'm not sure if I like the feeling of the leather side against my arm/wrist, though. The mouse has no problem reading it but it's just not very soft. I do notoriously dislike change though so maybe that's just a me problem LOL.
All in all I'm happy with this and would suggest it!
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Works great!
Color: Black, Color: Black
Works great! The mat is a good size and the charger works well! So much more convenient than plugging in to charge.
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Reviewed in the United States on February 24, 2026