The Fowler F-11 supercharger line is purposefully designed to meet the punishing demands of full-out competition racing.  Based on the revolutionary, proven and winning Kobelco K-11 “Superman” design it delivers superior boost levels, consistent reliability and the quality you expect from Kobelco and Fowler.   Whether new to the F-11 design or a repeat customer, you’ll appreciate how we use the latest 3D CAD and CNC manufacturing technology to design, manufacturer and deliver the highest quality supercharger products that truly meet your race program needs.

All Fowler F-11 Superchargers Include These Performance Features:

• Precision CNC machined and heat treated components throughout

• Form-tool machined billet rotors – 60 degree (Standard Helix) and

  120 degree (High-Helix)

• Billet end-frames, 3” thick – indexed and press fit into the case

• Precision caged roller/ball bearings and double-lipped Teflon seals

• Full Teflon stripping

• Fuel cooling ports

• Blower drive snout is included (available in a wide range of


F-11Std            Rotor Design            Additional Notes

6-71                   Standard Helix              Popular Nostalgia Design

8-71                   High Helix

14-71                High Helix

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