{"product_id":"radium-universal-recirculating-air-oil-separator-aos-r","title":"Radium - Universal Recirculating Air-Oil Separator (AOS-R)","description":"\u003cp\u003eThe \u003cstrong\u003eRadium Engineering Universal Air-Oil Separator Return (AOS-R)\u003c\/strong\u003e is an advanced, service-free crankcase oil management system engineered for high-output competition engines. Unlike traditional catch cans that require routine manual emptying, the AOS-R separates oil droplets from crankcase blow-by gases and drains the collected engine oil directly back into the oil pan while keeping the intake air pristine.\u003c\/p\u003e\n\n\u003ch3\u003eKey Performance Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService-Free Oil Return:\u003c\/strong\u003e Bottom one-way check valve returns separated liquid engine oil back to the oil pan above oil level, eliminating canister emptying.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Coolant Heating Chamber:\u003c\/strong\u003e Dual barbed engine coolant passages warm the separator body, preventing harmful water condensation from contaminating engine oil.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Stage Coalescing Condenser:\u003c\/strong\u003e High-surface stainless steel filtration separates fine oil aerosol without creating restrictive crankcase backpressure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Water Trap:\u003c\/strong\u003e Dense water molecules drop into an isolated perimeter trap to prevent emulsified moisture from returning to the engine pan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10AN ORB Porting:\u003c\/strong\u003e Threaded female 10AN ORB ports allow versatile plumbing configurations with AN hose lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNotice: Female ORB ports require male AN adapter fittings and oil pan return plumbing (sold separately).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"dm-motorsport-notice\" style=\"border-left: 3px solid #e11d48; background: rgba(225, 29, 72, 0.05); padding: 12px 16px; margin: 20px 0; border-radius: 4px; font-size: 0.9em; color: #881337;\"\u003e\n  \u003cstrong\u003eNotice:\u003c\/strong\u003e This product is designed and intended strictly for off-road closed-course motorsport competition and racing vehicles.\n\u003c\/div\u003e","brand":"Radium Engineering","offers":[{"title":"10AN ORB Heated Recirculating AOS-R Body","offer_id":50518301311134,"sku":"20-0219","price":435.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6460\/0734\/files\/radium-universal-aos-r-20-0219.jpg?v=1790117348","url":"https:\/\/dm-performance.ca\/products\/radium-universal-recirculating-air-oil-separator-aos-r","provider":"DM Performance","version":"1.0","type":"link"}