{"product_id":"gsc-p-d-12-13-subaru-scion-brz-fr-s-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8","title":"GSC Power Division 35mm 21-4N Intake Valve Set — Fits 2012-2013 Subaru BRZ Scion FR-S","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout GSC Power Division\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eGSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/xsuDuHA8f2g\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHigh-Strength Intake Valves for FA20 Performance\u003c\/h2\u003e\u003cp\u003eOptimize the intake tract of your Subaru BRZ or Scion FR-S with the GSC Power Division 35mm 21-4N Intake Valve set. Constructed from premium 21-4N stainless steel, these valves are engineered to handle increased cylinder pressures and higher temperatures associated with performance tuning. If you are aiming for more horsepower, these valves provide the necessary strength to keep your engine running reliably.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHead Diameter: 35mm (Standard Size)\u003c\/li\u003e\n\u003cli\u003eMaterial: 21-4N Stainless Steel\u003c\/li\u003e\n\u003cli\u003eQuantity: Set of 8 intake valves\u003c\/li\u003e\n\u003cli\u003eFitment: 2012-2013 Subaru BRZ and Scion FR-S\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistance for forced induction or high-compression builds\u003c\/li\u003e\n\u003cli\u003ePolished finish for improved flow characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe use of 21-4N material ensures that these valves remain stable under extreme heat, preventing the deformation that can occur with factory-grade components. The 35mm head diameter maintains optimal flow velocity, ensuring your engine breathes efficiently throughout the entire RPM range. These valves are a must-have for any serious engine build, providing the peace of mind that your valvetrain can handle the extra power. Whether you are upgrading for the track or the street, GSC Power Division delivers the quality you need for your FA20 engine. For all your performance valve train needs, look no further than GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular GSC Power Division products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gsc-p-d-4g63t-evo-1-9-90-98-dsm-viton-6-6mm-valve-stem-seal-set\" style=\"color:#0066cc;text-decoration:none;\"\u003eGSC Power Division Viton Valve Stem Seal Set 6.6mm — Fits 4G63T DSM Evo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gsc-p-d-mitsubishi-4g63t-evo-1-9-90-98-dsm-valve-keeper-set-set-of-32\" style=\"color:#0066cc;text-decoration:none;\"\u003eGSC Power Division Valve Keeper Set 32-Piece — Fits 4G63T DSM Evo\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gsc-p-d-4g63t-valve-seat-oem-replacement-set-of-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eGSC Power Division OEM Replacement Valve Seat Set 16-Piece — Fits 4G63T\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gsc-p-d-valve-seat-set-oem-replacement-ej205-ej207-ej257\" style=\"color:#0066cc;text-decoration:none;\"\u003eGSC Power Division Valve Seat Set OEM Replacement — Fits Subaru EJ205 EJ257\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gsc-p-d-subaru-ej205-ej207-ej257-ej257b-sohc-ej-valve-keeper-set-set-of-32\" style=\"color:#0066cc;text-decoration:none;\"\u003eGSC Power Division Valve Keeper Set 32pc — Fits Subaru EJ205 EJ257\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GSC Power Division 35mm 21-4N Intake Valve Set \\u2014 Fits 2012-2013 Subaru BRZ Scion FR-S\",\"description\":\"Boost your FA20 engine performance with GSC Power Division 35mm 21-4N Intake Valves. 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Shop the best at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GSC Power Division\"},\"mpn\":\"2122-8\",\"url\":\"https:\/\/ggcracing.com\/products\/gsc-p-d-12-13-subaru-scion-brz-fr-s-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8\",\"offers\":{\"@type\":\"Offer\",\"price\":\"146.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/gsc-p-d-12-13-subaru-scion-brz-fr-s-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8\",\"sku\":\"GSC2122-8\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"GSC Power Division\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=GSC+Power+Division\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"GSC Power Division 35mm 21-4N Intake Valve Set \\u2014 Fits 2012-2013 Subaru BRZ Scion FR-S\",\"item\":\"https:\/\/ggcracing.com\/products\/gsc-p-d-12-13-subaru-scion-brz-fr-s-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the GSC Power Division 35mm 21-4N Intake Valve Set \\u2014 Fits 2012-2013 Subaru BRZ Scion fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for GSC Power Division?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the GSC Power Division 35mm 21-4N Intake Valve Set \\u2014 Fits 2012-2013 Subaru BRZ Scion?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":41450503962708,"sku":"GSC2122-8","price":176.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/72fc6b1a25cf6401b7fede3ce871de3a_f4b91018-bd41-474b-b846-b6b606e0bf92.jpg?v=1721614929","url":"https:\/\/ggcracing.com\/products\/gsc-p-d-12-13-subaru-scion-brz-fr-s-21-4n-chrome-polished-intake-valve-35mm-head-std-set-8","provider":"GGCRACING INC","version":"1.0","type":"link"}