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The Rotrex LT Truck Supercharger Kit is the ultimate forced induction solution for 2014- GM trucks and SUVs equipped with L83/86 engines (5.3L or 6.2L LT). Whether you want your truck to be a sleeper or a towing powerhouse, this kit does it all and is easily adapted to reach your power target.

Designed as a bolt-on, DIY-friendly kit, it installs using factory mounting points, so NO rework / modifications needed on the block. Simple and easy to follow install instructions are included.

Choose Your Power — This kit will grow with you

Power output is easily tailored by selecting different supercharger pulley sizes. Thanks to a smart, configurable idler and tensioner position system, pulley swaps are quick and do not require a different belt or additional idlers. Just follow the belt routing guide in the included installation manual — one belt fits all setups.

Technical details:

• Proven +1200 HP capable
• Rotrex C38R-122 Supercharger (Ø85mm billet impeller)
• +1900 CFM , 26 PSI boost (max)
• Billet, OEM-fitment, bracket design in high-grade aluminum with anodized surface finish (Black or nature).
• Durable 10-rib belt drive, including a dynamic belt tensioner and double-bearing idlers.
• Configurable idler-pulley position for easy supercharger pulley size change.
• Stand-alone lubrication system with low maintenance requirements (50.000 miles).
• Durability: Superchargers are tested according to SAE standards to +160.000 Miles, complying with strict OEM requirements.
• Easy installation—fits onto factory mounting points

Fits the following models

EcoTec3 5.3L (Gen V L83/L8B)

 L83 – 2014-2019:

• Chevrolet Silverado 1500
• GMC Sierra 1500

 L83 – 2015-2020:

• Chevrolet Tahoe
• Chevrolet Suburban
• GMC Yukon
• GMC Yukon XL

L8B – 2016-2018:

• Chevrolet Silverado 1500 Hybrid
• GMC Sierra 1500 Hybrid

EcoTec3 6.2L (Gen V L86)

L86 (2014-2019):

• Chevrolet Silverado
• GMC Sierra

L86 (2015-2019):

• Chevrolet Tahoe
• Chevrolet Suburban
• GMC Yukon
• GMC Yukon XL
• Cadillac Escalade
• Cadillac Escalade ESV

Supercharger:

• 1pcs C38R-122

Brackets:

• 1pcs Base Bracket
• 1pcs Front Bracket
• 1pcs Bracket Spacer 1
• 1pcs Bracket Spacer 2
• 1pcs Bracket Spacer 3
• 1pcs Tensioner Spacer

Idlers and Pulleys:

• 2pcs Idler Ø75 10PK – Ribbed
• 1pcs Idler Ø75 10PK – Smooth
• 1pcs Tensioner with Ø75 10PK – Ribbed
• 1pcs Rotrex Crank Pulley Ring

Other:

• 1pcs Gates 10PK2010HD Fleetrunner Belt
• 1L Rotrex SX150 Traction Fluid
• 1pcs Traction Fluid Canister and Brackets
• 1pcs Traction Fluid Filter
• 1pcs Traction Fluid Cooler, 16 row
• 3m Traction Fluid Hose and a Primer Bulb

Bolts & Nuts:

Bracket Assembly:

• 7pcs M8x25
• 2pcs M8x35
• 4pcs M8x150
• 1 pcs M10x25
• 2pcs M10x35
• 2pcs Washer 8.4x16x1.6
• 3pcs Washer 10.5x20x2

Idlers and Tensioners:

• 3pcs M10x55
• 3pcs Washer 10.5x22x2.5
• 1pcs M10x60: 1

Other:

• 3pcs 3/8×1.25″
• 3pcs Slotted spring pins 10×14

1. What is the LT Truck supercharger kit, and how does it work?
   This supercharger kit is a performance upgrade that increases the engine’s horsepower by forcing more air into the combustion chamber. Unlike turbochargers, supercharger kits are belt-driven, providing instant throttle response with no lag.
2. How does the Rotrex L83/86 supercharger kit compare to kits from other brands?
   Beyond the general advantages of our unique traction drive supercharger technology, this kit requires no modification to the engine bay and allows for a large range of power levels, through easy supercharger pulley swaps. The kit is designed to allow the same belt to be used regardless of which supercharger pulley you go for – so the only part you need to go from 600 to 1200HP is a pulley (supporting mods excluded).
3. Is this Rotrex supercharger kit reliable for daily driving?
   Yes! This supercharger kit is engineered to provide OEM-level reliability, making it a great option for both street and track vehicles. Proper installation and maintenance ensures long-term durability.
4. How difficult is it to install this supercharger kit?
   This supercharger kit is designed as a direct bolt-on, and installation is within the capabilities of most home mechanics.
5. Do I need additional modifications to install this supercharger kit?
   No cutting, drilling or permanent modifications are required. It is however necessary to use an ATI Performance Damper, which is not included. Depending on your power target, it may be necessary to upgrade fuel injectors, valvetrain, cooling systems, drivetrain, amongst others. ECU tuning is always required.
6. How much horsepower can I gain from this supercharger kit?
   Horsepower gains vary depending on the supercharger pulley size, but you should expect to get between 40% to 170% more power, depending on boost levels (pulley size), and supporting modifications. Power capability can easily be changed by changing the pulley size on the supercharger jackshaft – we’ve designed the kit to use the same belt length for all available pulley sizes.
7.  Does this supercharger kit require regular maintenance?
   Yes, but very limited. The Rotrex supercharger uses a stand-alone lubrication system that requires periodic traction fluid changes to maintain peak performance and durability. The traction fluid change interval is only every 2 years or 50.000 miles (80.000 km), whichever comes first.
8. Does this kit come with tuning?
   No, this kit is purely a supercharger bracket and drive kit.
9. Do I have to use SX150 Traction Fluid?
   Yes, there is no substitute for our SX150 Traction Fluid. Damage will occur if any other oils are used.
10. When will this supercharger kit be available?
    The kit is scheduled for release in early 2026.