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20B 3mm Rx7 Cryogenically Treated Solid Corner Seal Set (ARE89.5-C)

20B 3mm Rx7 Cryogenically Treated Solid Corner Seal Set (ARE89.5-C)


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18 Cryogenically Treated 3mm Solid Corner Seals, For use on all 20B applications.

See our Cryogenically Treated FAQ

This is an excellent upgrade to any engine. These are desirable under high boost or nitrous applications. This was designed by David Atkins and has been patented.

This is a one piece corner seal. These can be used in place of the 2 piece Mazda corner seals with plugs. Can be used with the wire type corner seal spring or the 93-95 HP wafer type spring, which is recommended.

Mazda basically copied our design with the Rx8, getting rid of their faulty rubber corner seal plug and opting for a steel one basically making their corner seals solid like these.

Do not use these with lapped side housings.

  • $153.50
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  • Weight
    0.3 lbs
  • SKU
    ARE89.5-C
  • Manufacturer
    Atkins Rotary Specialties
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Model Year Engine
Cosmo 90-95 20B
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