{"product_id":"bc3041-brian-crower-30mm-exhaust-valves-honda-civic-si-2006-2011","title":"Brian Crower 30mm Exhaust Valve Set (8pcs) Honda Civic Si 2006-2011 | BC3041","description":"\u003ch2 data-section-id=\"8aj2vg\" data-start=\"1423\" data-end=\"1437\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1426\" data-end=\"1437\"\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1438\" data-end=\"1596\"\u003e\n\u003cli data-section-id=\"dr3m0s\" data-start=\"1438\" data-end=\"1474\"\u003eHonda Civic Si (2006–2011 K20Z3)\u003c\/li\u003e\n\u003cli data-section-id=\"1pglmfc\" data-start=\"1475\" data-end=\"1503\"\u003eAcura RSX Type-S (K20A2)\u003c\/li\u003e\n\u003cli data-section-id=\"fy2hyx\" data-start=\"1504\" data-end=\"1548\"\u003eAcura TSX (K24A2 heads in hybrid builds)\u003c\/li\u003e\n\u003cli data-section-id=\"rv3blp\" data-start=\"1549\" data-end=\"1596\"\u003eOther K20\/K24 hybrid and performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"113\" data-end=\"487\"\u003eThe \u003cstrong data-start=\"117\" data-end=\"158\"\u003eBrian Crower BC3041 Exhaust Valve Set\u003c\/strong\u003e is a performance valvetrain upgrade designed for \u003cstrong data-start=\"208\" data-end=\"244\"\u003eHonda and Acura K-series engines\u003c\/strong\u003e, including K20A2, K20A, and K20Z3 applications. This is the \u003cstrong data-start=\"305\" data-end=\"340\"\u003estandard 30mm exhaust valve set\u003c\/strong\u003e, intended as a high-strength replacement or upgrade over OEM components for engines operating under higher RPM, boost, or aggressive cam profiles.\u003c\/p\u003e\n\u003cp data-start=\"489\" data-end=\"640\"\u003eIt’s commonly used in \u003cstrong data-start=\"511\" data-end=\"535\"\u003ebuilt K-series heads\u003c\/strong\u003e where reliability, heat resistance, and consistent airflow become critical under performance conditions.\u003c\/p\u003e\n\u003chr data-start=\"642\" data-end=\"645\"\u003e\n\u003ch2 data-section-id=\"1pi78xj\" data-start=\"647\" data-end=\"677\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"650\" data-end=\"677\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"678\" data-end=\"1098\"\u003e\n\u003cli data-section-id=\"nui520\" data-start=\"678\" data-end=\"727\"\u003eSet of \u003cstrong data-start=\"687\" data-end=\"725\"\u003e8 exhaust valves (full engine set)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xc1e33\" data-start=\"728\" data-end=\"786\"\u003eStandard \u003cstrong data-start=\"739\" data-end=\"784\"\u003e30mm head diameter (OEM-size replacement)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hvve8a\" data-start=\"787\" data-end=\"852\"\u003eHigh-strength \u003cstrong data-start=\"803\" data-end=\"835\"\u003estainless steel construction\u003c\/strong\u003e for durability\u003c\/li\u003e\n\u003cli data-section-id=\"2b6lda\" data-start=\"853\" data-end=\"914\"\u003eFriction-welded Stellite tips for extreme heat resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1tabr5y\" data-start=\"915\" data-end=\"975\"\u003eUndercut stem design reduces weight and improves airflow\u003c\/li\u003e\n\u003cli data-section-id=\"eey93k\" data-start=\"976\" data-end=\"1038\"\u003eSwirl-polished finish for smoother gas flow and efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"flodvd\" data-start=\"1039\" data-end=\"1098\"\u003eDesigned for \u003cstrong data-start=\"1054\" data-end=\"1096\"\u003ehigh RPM and performance engine builds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1100\" data-end=\"1103\"\u003e\n\u003ch2 data-section-id=\"dfn86d\" data-start=\"1105\" data-end=\"1134\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1108\" data-end=\"1134\"\u003ePerformance Advantages\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1135\" data-end=\"1416\"\u003e\n\u003cli data-section-id=\"c82ffm\" data-start=\"1135\" data-end=\"1188\"\u003eImproved exhaust flow compared to worn OEM valves\u003c\/li\u003e\n\u003cli data-section-id=\"10b3kj2\" data-start=\"1189\" data-end=\"1250\"\u003eBetter resistance to heat and detonation in tuned engines\u003c\/li\u003e\n\u003cli data-section-id=\"adolrp\" data-start=\"1251\" data-end=\"1304\"\u003eReduced valvetrain mass for higher RPM capability\u003c\/li\u003e\n\u003cli data-section-id=\"4yjgxw\" data-start=\"1305\" data-end=\"1347\"\u003eImproved combustion chamber evacuation\u003c\/li\u003e\n\u003cli data-section-id=\"1u3c999\" data-start=\"1348\" data-end=\"1416\"\u003eStronger durability for forced induction or aggressive NA builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1598\" data-end=\"1601\"\u003e\n\u003ch2 data-section-id=\"1q4u468\" data-start=\"1603\" data-end=\"1625\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1606\" data-end=\"1625\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1626\" data-end=\"1906\"\u003e\n\u003cli data-section-id=\"1xvmn36\" data-start=\"1626\" data-end=\"1699\"\u003eStandard-size valves = \u003cstrong data-start=\"1651\" data-end=\"1697\"\u003eno machining required in most OEM rebuilds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"59dhj3\" data-start=\"1700\" data-end=\"1755\"\u003eMust be installed with proper valve job and seating\u003c\/li\u003e\n\u003cli data-section-id=\"1975ucn\" data-start=\"1756\" data-end=\"1834\"\u003eRecommended for performance or rebuilt heads, not casual stock replacement\u003c\/li\u003e\n\u003cli data-section-id=\"hh0255\" data-start=\"1835\" data-end=\"1906\"\u003eShould be paired with upgraded springs\/retainers in high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1908\" data-end=\"1911\"\u003e\n\u003ch2 data-section-id=\"1mipbnq\" data-start=\"1913\" data-end=\"1938\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1916\" data-end=\"1938\"\u003eWhy Choose BC3041?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1939\" data-end=\"2038\"\u003eBrian Crower valvetrain components are widely used in Honda performance engines because they offer:\u003c\/p\u003e\n\u003cul data-start=\"2039\" data-end=\"2250\"\u003e\n\u003cli data-section-id=\"3z3x7d\" data-start=\"2039\" data-end=\"2082\"\u003eStrong heat resistance for high RPM use\u003c\/li\u003e\n\u003cli data-section-id=\"1oykro3\" data-start=\"2083\" data-end=\"2143\"\u003eReliable stainless construction for boosted applications\u003c\/li\u003e\n\u003cli data-section-id=\"1mq9fpe\" data-start=\"2144\" data-end=\"2202\"\u003eImproved airflow characteristics over stock components\u003c\/li\u003e\n\u003cli data-section-id=\"90bya0\" data-start=\"2203\" data-end=\"2250\"\u003eProven durability in K-series engine builds\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":44831338643,"sku":"brcBC3041","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/Brian-Crower-31mm-Exhaust-Valve-Set-8pcs-Honda-Civic-Si-2006-2011-BC3045.webp?v=1779274517","url":"https:\/\/www.importimageracing.com\/products\/bc3041-brian-crower-30mm-exhaust-valves-honda-civic-si-2006-2011","provider":"Import Image Racing","version":"1.0","type":"link"}