LS Supercharger Kit
Rotrex LS Supercharger Kits: Unmatched Performance for LS Engines
Rotrex proudly presents a new LS Supercharger Kit, offering a completely unique combination of performance, predictable power delivery and everyday-use reliability.
Our unique Supercharger technology and OEM-DNA, results in a reliable performance package suitable both for extreme track- and everyday use. No compromises!
The Rotrex LS Truck Supercharger Kit is the ultimate forced induction solution for 1999–2014 GM trucks equipped with 4.8L, 5.3L, 6.0L or 6.2L LS-style engines. Whether you’re building a street sleeper or a daily-driven powerhouse, this system delivers unmatched efficiency, drivability, and power capability — all in a compact, OEM-like package.
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 mounting instructions are included.
Choose Your Power — Without Complicating Your Setup
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.
This flexibility makes your build simple, whether you’re aiming for modest boost or need the full power capabilities of the kit.
OEM Refinement, ULTIMATE Performance!
Powerful, reliable and drivable performance for everyday use with our LS supercharger kit
- +25 years of supplying automotive superchargers
- The only OEM supplier of centrifugal superchargers for production vehicles
- Highest impeller speeds on the supercharger markets — Up to 90,000 rpm
- Most compact superchargers on the market
- Most efficient superchargers on the market — Up to 98%
- Fully automized in-house manufacturing (CNC), ensuring the highest quality standards
- Technical support from passionate engineers
Technical details
- Rotrex C38R-122 Supercharger
- +1900 CFM , 26 PSI boost (max)
- +1200 HP
- Internal gear-ratio: 1:6
- Impeller speed: up to 90.000 rpm
- Ø85mm billet impeller wheel
- 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.
- Separate, dry-sump 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
- Easy re-positioning of the compressor housing
Fits the following models
Vortec 4800 (Gen IV LY2, L20)
LY2 (2007–2009):
- Chevrolet Express
- Chevrolet Silverado 1500
- Chevrolet Tahoe
- GMC Savana
- GMC Sierra 1500
- GMC Yukon
L20 (2010–2014):
- Chevrolet Express
- Chevrolet Silverado 1500
- GMC Savana
- GMC Sierra 1500
Vortec 5300 (Gen III LM7, L59, LM4)
LM7 (1999–2007):
- Cadillac Escalade (2WD)
- Chevrolet Avalanche
- Chevrolet Express
- Chevrolet Silverado 1500
- Chevrolet Suburban 1500
- Chevrolet Tahoe
- GMC Savana
- GMC Sierra 1500
- GMC Yukon / Yukon XL
L59 (2002–2007):
- Chevrolet Avalanche 1500
- Chevrolet Silverado 1500
- Chevrolet Suburban 1500
- Chevrolet Tahoe
- GMC Sierra 1500
- GMC Yukon / Yukon XL
LM4 (2003–2005):
- Buick Rainier
- Chevrolet SSR
- Chevrolet TrailBlazer EXT
- GMC Envoy XL / Envoy XUV
- Isuzu Ascender
Vortec 5300 (Gen IV LMG, LC9, LY5, L96)
LY5 (2007–2009):
- Chevrolet Avalanche
- Chevrolet Silverado 1500
- Chevrolet Suburban 1500
- Chevrolet Tahoe
- GMC Sierra 1500
- GMC Yukon / Yukon XL 1500
LC9 (2007–2013):
- Chevrolet Avalanche
- Chevrolet Silverado 1500
- Chevrolet Suburban 1500
- GMC Sierra 1500
- GMC Yukon XL 1500
LMG (2007–2014):
- Chevrolet Avalanche
- Chevrolet Silverado 1500
- Chevrolet Suburban 1500
- Chevrolet Tahoe
- GMC Sierra 1500
- GMC Yukon / Yukon XL 1500
L96:
- Chevrolet Express
- GMC Savana
Vortec 6000 (Gen III LQ4, LQ9)
LQ4 (1999–2007):
- Chevrolet Express
- Chevrolet Silverado 1500 HD/2500/2500 HD/3500
- Chevrolet Suburban 2500
- GMC Savana
- GMC Sierra 1500 HD/2500/2500 HD/3500
- GMC Sierra Denali
- GMC Yukon Denali / Yukon XL 2500
- Hummer H2
LQ9 (2002–2007):
- Cadillac Escalade
- Cadillac Escalade EXT/ESV
- Chevrolet Silverado SS
- GMC Sierra Denali
- Chevrolet Silverado/GMC Sierra
Vortec 6200 (Gen IV L92, L9H, L94)
L92 (2007–2009):
- Cadillac Escalade 2WD / AWD
- GMC Yukon Denali/Yukon XL Denali
- GMC Sierra Denali
- Chevrolet Tahoe LTZ
- Hummer H2
L9H (2009–2013):
- Cadillac Escalade
- Chevrolet Silverado 1500
- Chevrolet Tahoe LTZ
- GMC Yukon Denali/Yukon XL
- GMC Sierra 1500
L94 (2010–2014):
- Cadillac Escalade/Escalade ESV
- GMC Yukon Denali/Yukon XL Denali
Included In The Kit
Supercharger:
- C38R-122
Brackets:
- Front Bracket
- Cross Brace 1
- Cross Brace 2
- Cross Brace 3
- Cylinder Head Mount
- Spacer AC Damper
- Tensioner Spacer
Idlers:
- Idler Ø75 10PK – Ribbed
- Idler Ø75 10PK – Smooth
- Tensioner with Ø75 10PK – Smooth idler
Other:
- Gates 10PK1445HD Fleetrunner Belt
- Rotrex ATI Crank Pulley Ring
- Rotrex SX150 Traction Fluid Kit
Bolts & Nuts:
Bracket Assembly:
- M8x25: 14
- M10x25: 3
- M10x25: 1
- M10x120: 1
Idler Ø75 10PK Smooth:
- M10x55: 1
Idler Ø75 10PK Ribbed:
- M10x55: 1
Tensioner:
- M8x35: 1
- M10x60: 1
Other:
- UNC 5/16-18×2½”: 3
- Slotted spring pins 5×12: 3
Supercharger Kits - FAQ
- What is the LS supercharger kit, and how does it work?
This LS 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. - What are the benefits of installing the LS supercharger kit?
Installing the LS supercharger kit will significantly boost horsepower and torque, offering 30% to 130% more power depending on the setup. This Rotrex supercharger kit shows high level of OEM-like integration, high efficiency, and reliability. - How do the LS Rotrex supercharger kit compare to other brands?
The Rotrex LS supercharger kit uses a unique traction-drive system that enables higher impeller speeds, resulting in superior efficiency and smooth power delivery. It is also super compact, making it ideal for applications where space is limited. - Is the Rotrex LS supercharger kit reliable for daily driving?
Yes! The Rotrex LS supercharger kit is engineered to provide OEM-level reliability, making it a great option for both daily drivers and performance vehicles. Proper installation and maintenance ensure long-term durability. - How difficult is it to install the LS supercharger kit?
Installation difficulty depends on the vehicle and experience of the individual. Our LS supercharger kit is designed as a direct bolt-on system, and does not necessarily need professional installation. - Do I need additional modifications to install this supercharger kit?
This LS supercharger kit is a bolt on kit. It is necesarry to use the ATI Performance Balancer, which is not included. Some applications may require upgraded fuel injectors, cooling systems, or ECU tuning to maximize performance. - How much horsepower can I gain from the LS supercharger kit?
Horsepower gains vary, but you should expect to get between 30% to 130% more power, depending on engine size, boost levels, and supporting modifications. - Does the LS supercharger kit require regular maintenance?
Yes. The Rotrex supercharger use a self-contained oiling system that requires periodic oil changes to maintain peak performance and longevity. The oil change interval is 2 years or 50.000 miles (80.000 km), whichever comes first - Will the LS supercharger kit affect my fuel economy?
Fuel economy may slightly decrease under heavy acceleration, but under normal driving conditions, the LS supercharger kit has a minimal impact on fuel consumption. - Where can I buy the Rotrex LS supercharger kit?
This kit can be bought here
