13B Billet Inc – Boost Package


  • Billet Inc Front, Intermediate & Rear Billet Plates
  • 2 x Rotor Housings
  • Front & Rear Stationery Gears
  • Stud Kit
  • Dowel Kit
  • Your Choice of Colour Anodizing
  • Porting


All our engines have had a 3D machined face lift, we have ensured significant weight reductions by eliminating excess material that was not required without sacrificing strength and durability. Our new design incorporates the flexibility to allow for wet or dry sump applications, and all ports are fully CNC Machined.

Please contact for pricing.

  • Full Water Jacket design
  • Our Patented Replaceable wear face insert, allows for easy and cost-effective replacement
  • Solid bearing support for high boost and high RPM engines
  • Dry and or Wet sump compatible
  • Direct bearing oil feed
  • Compatible with all Mazda OEM accessories
  • Increases in strength, reliability and power, increased weight reductions
  • As used in a number of record breaking cars around the world
  • Built under strict quality control to precise tolerances
  • Factory intake port or Plates can be ported to customer supplied template (FREE of charge)
  • Your choice of anodizing (FREE of charge)
  • See individual products for further information

Additional information


Raw, Black, Green, Purple, Titanium, Red, Blue, Orange, Gold, Silver, Grey


Cosmo, PP, 12A, Custom (template required)