Installation Kit for GM Gen V LT Accessory Drive - 21-5
Installation Kit for GM Gen V LT Accessory Drive - 21-5
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Overview:
GM has updated its V8 performance engines and launched the new Gen V LT1 direct injected engine as a replacement for the very popular LS series of engines. This new accessory drive bracket installation kit allows the use of our popular & reliable Holley LS accessory drive bracket systems to be installed on the new LT1 engine. This drive system has incorporated an upgrade to the conventional looking and central located LS water pump which works in conjunction with an OEM LT1 truck harmonic balancer. This application fits all LT1 style engines (except the dry sump and supercharged applications).
This new installation kit includes spacers for the LS style brackets, water pump spacers, a solenoid re-clocking retainer ring, re-routed front harness, and all hardware. This new installation kit works with existing high mount LS accessory drive brackets, accessories, LS Camaro style water pump, and LT1 truck harmonic balancer.
These new kits allow you to choose the source for supplemental accessories and components that are often already on the donor engine or host vehicle. Whether sourcing from the salvage yard, the local auto parts store, your GM parts dealer, or Holley, you pick the accessories that match your needs and budget!
Features:
- Mounts any of Holley’s popular High Mount accessory drive brackets to LT engines
- Utilizes conventional LS center water pump (Holley P/N 22-100 or similar)
- No engine modification required - completely bolt-on
- Hides temperature sensor and harness connector from sight
- Works with LT Truck Harmonic Balancer (often already on donor engine)
- Cost Effective and Proven Solution
- Utilizes conventional single sided belt
- Easy Way to Add Power Steering w/ Your Gen-V LT Engine Swap!
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Accessory Drive Style | High Mount |
|---|---|
| Brand | Holley |
| Emission Code | 5 |
| Engine | GM Gen V LT1 |
| Finish | Cast |
| Material | Aluminum |
| Product Type | Accessory Bracket |
| Warranty | Limited 90 Day |

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.