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KRAFTWERKS Supercharger system Mazda Miata 98-05

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KraftWerks is proud to introduce its completely redesigned Mazda Miata supercharger systems, available for 1998-2008 Mazda Miata.

Like all KraftWerks supercharger kits, Miata systems are based off of the impressive Rotrex supercharger and include everything necessary for a truly bolt-on installation.

At the heart of each KraftWerks Miata kit is the Rotrex C30-74 centrifugal supercharger. Rotrex’s patented traction drive technology works unlike any other supercharger, and means that power’s always available, all the way to redline. The results are impressive: 195 hp and 150 lb-ft torque on 1.8L engine.

Each Miata supercharger system is a comprehensive design and includes all necessary components to ensure safe, reliable operation. Standard-issue with each kit is a large, front-mount intercooler to help ensure low intake air temperatures for optimal performance. All necessary aluminum tubing, silicone couplers, and clamps are also included for easy installation. Proper air/fuel ratios are ensured with the included Grams Performance 350cc/min. fuel injectors, DeatschWerks 255 lph fuel pump, and electronic fuel box. Convenient, plug-and-play fuel injector adapters are also included, making each kit a true bolt-on experience.

Rotrex superchargers are renowned for their compact size, high adiabatic efficiency, low vibration, and quiet operation. Their unique traction drive technology is what makes all of this possible, which, unlike other superchargers, transmits power through frictional forces between its rolling elements. Each Rotrex unit features its own self-contained oiling system that remains independent of the engine. Its dual-action oil pump supplies traction fluid to the supercharger while the supplied cooler ensures proper fluid temperatures at all times.

The KraftWerks Miata supercharger system provides instant throttle response and a progressive power curve that increases all the way to redline without the typical spiking or surging turbochargers are known for. This unique, more useable power curve results in reduced cylinder pressures, less strain on engine components, and increased reliability. Rotrex superchargers also operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation.


• 1998-2005 kit: 195 hp / 150 lb-ft torque @ 9.5 psi (#150-10-9805B)
• Rotrex C30-74 supercharger (optional C30-94)
• High-flow front-mount intercooler (2.5 x 6 x 12 in.)
• Grams Performance 350cc/min. fuel injectors
• DeatschWerks 255 lph fuel pump
• Plug-and-play fuel injector connectors
• Electronic Fuel Box
• Recirculating bypass valve
• Powder-coated aluminum intake and intercooler piping
• High-quality CNC-machined brackets
• Automatic belt tensioning system
• High-quality fasteners, clamps, and hardware
• Comprehensive installation manual
• MAF relocation system
• Reusable high-flow air filter
• High-quality silicone hoses and adapters
• Rotrex self-contained oiling system with oil cooler
• Retain all factory accessories

P/N: 150-10-9805B
Retail Price: $ 3,995.00


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