{"product_id":"polished-valve-cover-breather-pcv-valve-air-cleaner-for-58-86-sbc-chevy-350-400","title":"Polished Valve Cover Breather PCV Valve Air Cleaner For 58-86 SBC Chevy 350 400","description":"\u003ch2\u003ePolished Valve Cover Breather, PCV Valve \u0026amp; Air Cleaner Set for 58-86 SBC Chevy 350 400\u003c\/h2\u003e\u003cp\u003eUpgrade your engine bay with this high-quality aftermarket polished valve cover breather and PCV valve kit. Specifically designed for Small Block Chevy engines, this set provides essential crankcase ventilation while giving your vehicle a clean, custom look. This is a premium aftermarket replacement part engineered to offer the same fit and function as original equipment, making it an ideal choice for restoration or performance maintenance on your classic 350 or 400 engine.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-shine polished finish for a professional, show-ready appearance.\u003c\/li\u003e\n\u003cli\u003eImproves engine longevity by ensuring proper crankcase pressure relief.\u003c\/li\u003e\n\u003cli\u003eComplete set includes both the breather and the PCV valve.\u003c\/li\u003e\n\u003cli\u003eDirect fit for standard 1.25-inch valve cover holes.\u003c\/li\u003e\n\u003cli\u003eDurable construction designed for high-heat environments and long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSmall Block Chevy (SBC) 283, 305, 307, 327, 350, 400\u003c\/li\u003e\n\u003cli\u003eFits model years from 1958 to 1986\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Type: Valve Cover Breather \u0026amp; PCV Valve Kit\u003c\/li\u003e\n\u003cli\u003eFitment Type: Aftermarket\u003c\/li\u003e\n\u003cli\u003eFinish: Polished Chrome-Style\u003c\/li\u003e\n\u003cli\u003eMounting Hole Size: 1.25 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003cbr\u003eNo, this is a premium aftermarket part designed for performance and aesthetic improvement, not manufactured by the original equipment manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003ePlease ensure your engine is a Small Block Chevy manufactured between 1958 and 1986 and that your valve covers feature the standard 1.25-inch push-in style breather holes.\u003c\/p\u003e\u003chr\u003e\u003cem\u003eImportant: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.\u003c\/em\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53377730314513,"sku":"ZZ2R00342","price":290.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_50c2dfb0-cf6b-42a7-946d-98afc3700b34.jpg?v=1775360065","url":"https:\/\/www.duraforce.com\/products\/polished-valve-cover-breather-pcv-valve-air-cleaner-for-58-86-sbc-chevy-350-400","provider":"DURAFORCE","version":"1.0","type":"link"}