Redstart Racing » GSC Power Division

Description: GSC Power-Division Viton® Valve Stem Seals use genuine DuPont Viton® fluoroelastomer material. Viton® was specifically developed for the extreme conditions seen in today’s high horsepower,...More Details »

Description: GSC Power-Division Viton Valve Stem Seals for the Mitsubishi 4G63T 6.6mm seal set (includes 8 intake and 8 Exhaust). These are an upgrade from the standard OEM material to help cope with the higher...More Details »