GSC Power-Division OEM Replacement Valve Spring Seat Set for 4G63T

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Description

GSC Power-Division OEM Replacement Valve Spring Seat Set for 4G63TGSC Power Division OEM Replacement Valve Spring Seat Set for 4G63T. Perfect for replacing old seats when upgrading to a high performance spring kit like the GSC Beehives. Same thickness as OEM, so no spring pressure change when using these. Sold as a set of 16.

Max boost: 40 psi

GSC Power-Division Exhaust Valve for 4G63T STD Size 30

GSC Power-Division Exhaust Valve Guide for FA20 all (WRX/BRZ)

stopper style

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Our beehive spring utilizes advanced material heat treatment methods for superior load loss capabilities

Exhaust valves are a super alloy (Inconel 751) featuring a high yield strength and high tolerance for extreme heat to maintain longevity

90mm 114°

nothing but gains will be seen and will promote great peak power gains

GSC Power-Division STD Exhaust Valves for FA20 FRS/BRZ

and a longer life of the included components

Exchange/Return Notes