GSC Power-Division Chromoly Valve Spring Seat Set for BRZ/FRS/FT86 with 5756 spring kit (gsc4756) 1818 IT’S YOUR CHOICE

IT’S YOUR CHOICE

polished 304 stainless steel construction

Built with one-piece carbon fiber sheet supported by a fiberglass skeleton

With our in 16 clicks adjustable rebound damping

Up to 180 ft-lbs torque gains measured at the rear wheels on the dyno

GSC Power-Division Chromoly Valve Spring Seat Set for BRZ/FRS/FT86 with 5756 spring kit (gsc4756) 1818 IT’S YOUR CHOICEGSC valvetrain components are created using the world's most advanced design, FEA, and flow simulation softwares to aid with real world performance testing. Our products are designed and manufactured on site on dedicated CNC machining centers with the utmost attention to detail, tolerance, and specification. Our cast camshafts and always ground on new quality chill cast or ductile iron billet blanks, our forged billet cams are turned from solid bar