{"product_id":"gsc-std-stopper-exhaust-valve-guide-set-of-8-subaru-wrx-15-21-brz-13-20-fr-s-13-16-3105-8","title":"GSC (STD) Stopper Exhaust Valve Guide Set of 8 Subaru WRX 15-21 \/ BRZ 13-20 \/ FR-S 13-16 | 3105-8","description":"\u003cp\u003e\u003cstrong\u003eProduct Fitment: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2013-2016 Scion FR-S\u003c\/p\u003e\n\u003cp\u003e2013-2020 Subaru BRZ\u003c\/p\u003e\n\u003cp\u003e2015-2021 Subaru WRX\u003c\/p\u003e\n\u003cp data-start=\"642\" data-end=\"937\"\u003eUpgrade your FA20 engine’s valvetrain reliability and precision with the GSC Power-Division Stopper Style Exhaust Valve Guides. Designed for high-performance and forced induction applications, these valve guides deliver superior strength and wear resistance compared to factory components.\u003c\/p\u003e\n\u003cp data-start=\"939\" data-end=\"1258\"\u003eThe stopper-style design provides enhanced stability for the exhaust valve, maintaining proper alignment under high RPM and temperature. Manufactured with tight tolerances, GSC valve guides ensure consistent valve sealing and reduced stem wear, making them an ideal choice for performance builds and race engines.\u003c\/p\u003e\n\u003ch3 data-start=\"1416\" data-end=\"1462\"\u003e\u003cstrong data-start=\"1420\" data-end=\"1460\"\u003eSpecifications (GSC3105 – Standard):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1463\" data-end=\"1585\"\u003e\n\u003cli data-start=\"1463\" data-end=\"1504\"\u003e\n\u003cp data-start=\"1465\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1465\" data-end=\"1482\"\u003eTotal Length:\u003c\/strong\u003e 1.456 in \/ 36.98 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1505\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1507\" data-end=\"1549\"\u003e\u003cstrong data-start=\"1507\" data-end=\"1526\"\u003eOuter Diameter:\u003c\/strong\u003e 0.3964 in \/ 10.07 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1550\" data-end=\"1585\"\u003e\n\u003cp data-start=\"1552\" data-end=\"1585\"\u003e\u003cstrong data-start=\"1552\" data-end=\"1576\"\u003eValve Stem Diameter:\u003c\/strong\u003e 5.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1889\" data-end=\"1923\"\u003e\u003cstrong data-start=\"1893\" data-end=\"1921\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1924\" data-end=\"2192\"\u003e\n\u003cli data-start=\"1924\" data-end=\"1991\"\u003e\n\u003cp data-start=\"1926\" data-end=\"1991\"\u003eHigh-strength construction for extreme performance applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1992\" data-end=\"2055\"\u003e\n\u003cp data-start=\"1994\" data-end=\"2055\"\u003eStopper-style design enhances valve alignment and stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2056\" data-end=\"2096\"\u003e\n\u003cp data-start=\"2058\" data-end=\"2096\"\u003eSuperior resistance to heat and wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2097\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2099\" data-end=\"2146\"\u003ePrecision-machined for exact fit and function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2147\" data-end=\"2192\"\u003e\n\u003cp data-start=\"2149\" data-end=\"2192\"\u003eIdeal for boosted or high-RPM FA20 builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":42382671282272,"sku":"gsc3105-8","price":43.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/GSC-STD-Stopper-Exhaust-Valve-Guide-Set-of-8-Subaru-WRX-15-21-BRZ-13-20-FR-S-13-16-3105-8.jpg?v=1764626019","url":"https:\/\/www.importimageracing.com\/products\/gsc-std-stopper-exhaust-valve-guide-set-of-8-subaru-wrx-15-21-brz-13-20-fr-s-13-16-3105-8","provider":"Import Image Racing","version":"1.0","type":"link"}