Vibrant TurboFlex Coupling w/ Interlock Liner, 2.25" I.D. x 6" Long - 60706 3/8" 600140-02 is a flywheel kit

600140-02 is a flywheel kit for various Mazda RX-7 and RX-8 applications that comes complete with an ACT counterweight

increasing the inlets to 2" and outlet to 3" for a 51% boost in flow straight out of the turbos

as with every aluminum radiator

4200103 is a 4-pad spring-centered race disc made with high quality

Vibrant TurboFlex Coupling w/ Interlock Liner, 2.25" I.D. x 6" Long - 60706 3/8" 600140-02 is a flywheel kitVibrant Performance TurboFlex Couplings feature an internal Stainless Steel Interlock Liner to facilitate smooth flow and also protects the bellows from direct exposure to high temperature exhaust gases. Recommended for all high flowing, high temperature applications (e. g. forced induction).