Siegetek 13.76 Ratio Cyclone Revolution Gear Set for V6/V7, Gen.2 - 9 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-R2

Siegetek 20.81 Ratio Balanced Gear Set for V6/V7, Gen.2 - 9 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-B2

Siegetek 10.78 Ratio Cyclone Revolution Plus Gear Set for V2/V3, Gen.2 - 9 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-RP-C2

Siegetek 14.55 Ratio Cyclone Revolution Gear Set for V2/V3, Gen.2 - 9 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-R-C2

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Siegetek 10.44 Ratio Cyclone Revolution Plus Gear Set for V2/V3, Gen.2 - 8 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-RP-C

Siegetek 14.09 Ratio Cyclone Gear Set for V2/V3, Gen.2, 8 Tooth Dual Sector **PROFESSIONAL INSTALLATION REQUIRED** GS-R-C