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Ross Sport: Evo 8MR & 9 6-Speed - COARSE TOOTH HELICAL 4TH GEAR PAIR

Stock Code: RS/TR/EVO6SP-4TH

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Coarse tooth custom helical 4th gear pair – 1.09 ratio. Suits all Evo 6-speed transmissions.
Coarser teeth are stronger and have better load bearing capacity.
Direct replacement for the original gears that are well documented to fail at c. 450nm

These gears are supplied shot peened and isotropic super-finished.

Energiser spings for 1 & 2 gears are a great upgrade to consider whilst installing the upgraded 4th gears

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Ross Sport: Evo 8MR & 9 6-Speed - COARSE TOOTH HELICAL 4TH GEAR PAIR

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