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GSC Single Spring Set w/ Titanium Retainers - 04+ STI / 02-14 WRX
GSC Single Spring Set w/ Titanium Retainers - 04+ STI / 02-14 WRX
SKU: GSC 5743
$249.23$332.31
The GSC Power-Division Single Cylindrical Valve Spring with Ti Retainer for the Subaru EJ platforms includes 16 titanium retainers and 16 cylindrical valve springs. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5743 is nano peened and batched according to seat pressure within our specs. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. This ke. . . Show More >
The GSC Power-Division Single Cylindrical Valve Spring with Ti Retainer for the Subaru EJ platforms includes 16 titanium retainers and 16 cylindrical valve springs. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5743 is nano peened and batched according to seat pressure within our specs. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. This keeps a consistent seat pressure across the head for ultimate reliability and performance.
Max RPM: 8,200 RPM
Max boost: 32 psi
Setup: Cylindrical| Coil Bind: 0.845 in. Install Height: 1.326 in. Seat Pressure: 78 lbs Open Pressure with GSC S1/S2 Profile: 184 lbs @ 0.958" / 191 lbs @ 0.934" / 197 lbs @ 0.911" Maximum Valve Lift: 0.421 in.