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RR Racing RR780 Supercharger Kit for Lexus RCF/GSF
RR Racing RR780 Supercharger Kit for Lexus RCF, GSF

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List Price: $11,050.00
Our Price: $9,950.00
Savings: $1,100.00

Availability: Usually Ships in 4 to 6 Weeks
Product Code: RCFSCR1001


Boost/Wideband Gauge Kit:

$30 savings!

RCF Stage Upgrade:

My Model Year*:


We are excited to announce that after over a year in development and testing, multiple track days, desert testing, and over 10,000 miles of punishment and tuning, we are finally ready to release our RC F/GS F Supercharger kit! Our goal for this kit was to maintain stock drivability and reliability, while creating smooth, seamless, and unrelenting supercar levels of power that these great cars deserve.

RR780 Kit Specifications:

  • Power: For the base "RR780" kit, our customers can expect to make about 670hp at the crank, or 560 to 570whp (wheel horsepower on a Dynojet dyno, SAE correction -- see dyno result chart below and in the product photos gallery) at approximately 6psi peak boost pressure, 93 pump gas, equipped with standard PPE Headers and a high flow dual exhaust.
  • Optional Power: With our optional Stage 1 ethanol kit, you can expect 638whp and 521wtrq. This translates into about 750hp at the crank! Stage 1 requires blending about 30% ethanol. With our Stage 2 kit, which includes and external sump and fuel pump, you will get a whooping 660whp or 780hp at the crank. Stage 2 also requires about 50% ethanol. Stage 3 get about 670whp and requires 70% ethanol blend. Stage 4 upgrade runs only on C38R Rotrex blower, our Methanol kit. Running on 100 octane race gas, Stage 4 is able to reach 700whp or 814hp at the crank!
  • Tuned ECU: We have logged countless development hours perfecting our ECU tune for the RC F for ultimate reliability and drivability. No piggybacks or other BS! We have extensively developed the mapping of the stock ECU, modifying literally hundreds of maps and adding additional functionality to the fueling system that allows us to support up to 570whp without fuel system modifications.
  • Supercharger: Rotrex Supercharger, c38-92 (largest Rotrex SC). Rotrex SC's are extremely efficient and quiet due to their planetary drive system which spins up to 90,000 rpm, much like a turbocharger.
  • Dedicated Drive System: Rather than using the accessory belt to drive the SC, we designed a dedicated drive system that allows us to achieve the necessary belt tension for a reliable SC drive, without overstressing the alternator, water pump, and AC bearings.
  • Custom Harmonic Crank Damper: There are some overpriced Japanese SC's on the market for the ISF/RCF that eliminate the factory harmonic damper crank pulley and replace it with a simple machined aluminum pulley. We find this simply unacceptable! Working in conjunction with ATI Performance, we developed a custom tuned harmonic damper than drives the SC belt. The ATI damper has been specially developed to dampen the harmonics of the 2UR-GSE engine at high horsepower levels for the ultimate in engine reliability.
  • Billet Tensioner System: Most SC kits on the market use OEM belt tensioners, but we took that a step further by developing a billet belt tensioner that is both more reliable and is able to apply significantly higher belt tension than conventional off the shelf tensioners. For added reliability we use Gates Racing Kevlar drive belts and our own double bearing billet idler pulleys.
  • Dual "Big Bubba" Billet Blow Off Valves: We use not one, but TWO Turbosmart "Big Bubba" 2" blow off valves. Adequate venting is essential for SC responsiveness, reliability, and drivability.
  • Custom Air/Air Intercooler: We use a large 4.5"x12"x10" intercooler core. These intercoolers are extremely high quality and are manufactured in the USA by Bell Intercoolers.
  • Genuine Carbon Fiber Intake Tubing: All visible intake tubing is made from genuine twill weave carbon fiber for an amazing look and function!

Dyno chart results for the base kit and Stage 1 and Stage 4 upgrade:

The following video shows our customer driving his RC F "The Red Devil" equipped with the our first prototype supercharger at Watkins Glen race track. Enjoy!

Please consider the following:

  • We recommend to buy a boost gauge. We offer a complete boost gauge kit (also see our Gauges category) as an option with this product.
  • We also recommend to buy our Air/Oil Separator (AOS) -- although not required for the supercharger. Please let us know if you don't have an AOS.

Important Disclaimer:
RR-Racing cannot ensure the applicability of manufacturer's or third-party warranties after performing this modification. Likewise, RR-Racing does not provide any warranty, written or implied, to the engine or drivetrain of your vehicle. We recommend to check the health of your engine before installing this product. Installing this product on a compromised engine, may result in an engine failure.

Additionally, certain features of this product such as removal of check engine light (CEL) triggers, modification of the front bumper, and other features may be illegal for road use. RR-Racing makes this product for vehicles used in racing and off-road purposes only. RR-Racing does not condone the removal of any emissions related device on vehicles used on public roads. RR Racing is not responsible for any accident caused by the use of our products -- our products are intended for off-road use solely at purchaser's risk. By buying this product, you agree to the terms of this disclaimer.

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