1993 Mazda RX-7 20B Cosmo Conversion Modifications List


Modifications List


20B Conversion is an ongoing project. This list may not reflect the current status of the project.



Turbo System

  • Garrett GT42RS Dual Ball Bearing Turbo
        1.16 AR Tial V-Band Turbine Housing
        Polished Compressor Housing
  • Custom 4" Downpipe; Header Wrapped
  • Custom Manifold; Jet Hot Coated
  • SS Braided Coolant & Oil Lines
  • AN Fittings
  • Custom Turbo Screen
  • PTP T6 Turbo Heat Shield

Oil System

Fuel System

Radiator & Intercooler System


Brake System




  • Racing Beat Type II Rear Spoiler
  • 99 Spec Side Skirts
  • RX7 Spec B Front Nose
  • '99 Spec Signal Lights
  • Efini Logos
  • PR Fender Flares
  • Work VS-XX Burning Silver Wheels (18 x 12.5 & 18 x 9.5)
  • Michelin Pilot Sport PS2 Tires ( Front: 265/35ZR18 & Rear: 335/30ZR18)
  • Carbon Fibre 3-Piece Adjustable Underbelly Tray
  • Gorilla Locking Lug Nuts
  • Xenon Headlight Bulb
  • LED Taillight Bulbs
  • Hood Shocks


  • Katzkin Custom Black/Gray Seat Covers
  • A-Pillar Mounted Dual Gauge Pod
  • Dash Mounted Triple Gauge Pod
  • Momo Steering Wheel
  • Mazdaspeed Hub Adapter
  • European 5-Speed RX-8 Shift Knob
  • B-Quiet Ultimate Sound Deadening



Pre Conversion   20B Core Engine   20B Breakdown   20B Porting   20B Rebuild   20B Conversion 1    20B Conversion 2   20B Conversion 3   20B Conversion 4  20B Exterior    Electronics     Engine Bay

Click Home button to visit Banzai Racing's Website