{"product_id":"calvana-round-push-in-oil-breather-2-pack-1-neck-for-1-1-4-valve-cover-triple-chrome-internal-baffle","title":"Calvana Round Push-In Oil Breather 2-Pack — 1\" Neck for 1-1\/4\" Valve Cover, Triple-Chrome, Internal Baffle","description":"\u003cp\u003e\u003cstrong\u003eThese two Calvana round push-in oil breathers with 1\" necks and rubber grommets seal 1-1\/4\" valve cover holes while allowing reliable crankcase venting.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you need a straightforward, durable breather for classic small- or big-block Chevy and Ford engines, this 2-pack from Calvana offers a simple replacement or upgrade. Each breather has a 1\" outside-diameter neck that fits the included rubber grommet, a 3\" flange to rest on the valve cover, an internal baffle to reduce oil splash, and a triple-chrome-plated steel finish for corrosion resistance and a polished engine-bay appearance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this breather control oil splash while venting pressure?\u003c\/h3\u003e\n\u003cp\u003eThe Calvana breather uses an internal baffle that directs airflow while breaking up oil droplets before they can escape into the engine bay. That design balances open venting with splash reduction so crankcase gases can exit without leaving excess oil on valve covers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal baffle reduces oil carryover into the air stream\u003c\/li\u003e\n  \u003cli\u003eOpen-top design eases crankcase pressure release\u003c\/li\u003e\n  \u003cli\u003eGrommeted neck creates a positive seal to limit leaks\u003c\/li\u003e\n  \u003cli\u003eTriple chrome plating resists corrosion and oil staining\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my valve cover and which engines are compatible?\u003c\/h3\u003e\n\u003cp\u003eThese breathers are built for valve covers that have a 1-1\/4\" diameter hole; the neck measures 1\" outside diameter and is paired with a rubber grommet for a tight push-in fit. They are commonly used on a variety of Chevy and Ford small-block and big-block applications as direct-fit replacements or as aftermarket upgrades.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 1-1\/4\" valve cover openings\u003c\/li\u003e\n  \u003cli\u003eCommonly compatible with SBC, BBC, SBF series engines\u003c\/li\u003e\n  \u003cli\u003eWorks with popular displacements like 302, 327, 350, 454, 502\u003c\/li\u003e\n  \u003cli\u003eIncludes grommet to adapt the 1\" neck to the 1-1\/4\" hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install these push-in breathers and ensure a secure fit?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: seat the rubber grommet into the valve cover hole, then push the breather neck into the grommet until the flange rests against the cover. For a firmer seal and easier assembly, a light film of engine oil on the grommet helps; no special tools are required for typical installs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePress grommet into 1-1\/4\" hole until flush\u003c\/li\u003e\n  \u003cli\u003eLubricate grommet with light oil for smoother fit\u003c\/li\u003e\n  \u003cli\u003ePush breather neck into grommet until flange seats\u003c\/li\u003e\n  \u003cli\u003eEnsure breather is snug and does not rotate under vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does this breather offer?\u003c\/h3\u003e\n\u003cp\u003eCalvana builds these breathers from steel and applies a triple chrome plating for enhanced surface strength and an attractive finish. The metal construction stands up to under-hood heat and contaminants better than cheap plastic alternatives, while the rubber grommet provides vibration isolation and a lasting seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSteel body with triple chrome plating for longevity\u003c\/li\u003e\n  \u003cli\u003eRubber grommet resists tear and absorbs vibration\u003c\/li\u003e\n  \u003cli\u003eSimple push-in design minimizes maintenance needs\u003c\/li\u003e\n  \u003cli\u003eTwo-breathers per pack for multiple covers or spares\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 2-pack is aimed at DIY mechanics restoring or maintaining classic American V8s, performance enthusiasts upgrading engine-bay hardware, and anyone who needs a reliable, attractive breather for valve covers with a 1-1\/4\" hole. It’s particularly useful when you want a quick, tool-free installation with a durable metal finish and a grommeted seal.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these breathers fit a 1-1\/4-inch valve cover hole?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — each breather uses a 1\" neck with a rubber grommet designed to seat into a 1-1\/4\" valve cover opening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these breathers reusable after removal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the steel breather and rubber grommet are durable and can be reinstalled unless the grommet is damaged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Calvana","offers":[{"title":"Default Title","offer_id":55161699565911,"sku":"B0F43L9FXW","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/calvana-front-view-breather.jpg?v=1790331505","url":"https:\/\/britishgarage.co.uk\/products\/calvana-round-push-in-oil-breather-2-pack-1-neck-for-1-1-4-valve-cover-triple-chrome-internal-baffle","provider":"British Garage","version":"1.0","type":"link"}