GSC 4B11 Evo X Exhaust Valves Select::Super Alloy +1 30mm Set of 8 (GSC2027-8) • Allows fuel economy for
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Description
GSC 4B11 Evo X Exhaust Valves Select::Super Alloy +1 30mm Set of 8 (GSC2027 8) • Allows fuel economy for • Allows fuel economy for cars fitted with DCT transmissions by optimizing friction Adding the 10AN bung on the underside of the pipe is allows you to use the STM Sealed Catch Can which vents from the can to the intake pipe