{"product_id":"banks-ram-air-differential-cover-kit-ford-sterling-12-bolt-axle-with-10-25-10-5-ring-gear-1985-2026","title":"Banks Ram-Air® Differential Cover Kit - Ford Sterling 12-Bolt Axle with 10.25\/10.5 Ring Gear (1985-2026)","description":"\u003cp\u003eThe Ram-Air® Differential Cover Kit replaces the stock rear cover on Ford trucks with the Sterling 12-bolt axle (10.25 or 10.5 ring gear). Patented Ram-Air scoops direct high-velocity air through external radiator fins for improved heat rejection, while die-cast A380 aircraft aluminum adds strength and a precise fit. Covered by US Patent 10,443,705 B1.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA380 aircraft-grade die-cast aluminum with CNC-machined surfaces\u003c\/li\u003e\n\u003cli\u003ePatented Ram-Air scoops route cool, high-velocity air through the radiator fins; breakaway scoop design\u003c\/li\u003e\n\u003cli\u003e24 external radiator fins providing 694.2 in² of surface area\u003c\/li\u003e\n\u003cli\u003e22 internal absorber fins providing 103.1 in² of surface area to transfer heat without disrupting fluid flow\u003c\/li\u003e\n\u003cli\u003eRadiused ports and directional fluid guides for smoother flow\u003c\/li\u003e\n\u003cli\u003eIntegrated dry-mount Viton O-ring seal — no RTV required\u003c\/li\u003e\n\u003cli\u003eSight glass with contrast screen and Viton O-ring seal\u003c\/li\u003e\n\u003cli\u003e20° angled fill plug and recessed magnetic drain plug for easier oil service\u003c\/li\u003e\n\u003cli\u003e1\/8 in NPT port for transmission\/diff temp monitoring\u003c\/li\u003e\n\u003cli\u003e304 stainless steel hex flange mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWeight: 11.7 lbs\u003c\/li\u003e\n\u003cli\u003eExternal radiation fins: 24 (694.2 in² fin surface area, 741.9 in² total)\u003c\/li\u003e\n\u003cli\u003eInternal absorption fins: 22 (103.1 in² fin surface area, 222.2 in² total)\u003c\/li\u003e\n\u003cli\u003eDimensions: 13.3 in x 12.8 in x 3.5 in\u003c\/li\u003e\n\u003cli\u003eInternal volume: approx. 3.3–3.6 qts (check OEM owner's manual; approx. 4.0 qts to OEM fill level)\u003c\/li\u003e\n\u003cli\u003eMaterial: A380 aluminum die-cast with CNC-machined surfaces\u003c\/li\u003e\n\u003cli\u003eFasteners: 12 x stainless steel 5\/16 flange hex bolts\u003c\/li\u003e\n\u003cli\u003eBanks recommends Amsoil 75W-90 Severe Gear synthetic gear lube\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFord F-250\/F-350 (and Excursion) with the Sterling 12-bolt axle, 10.25 or 10.5 ring gear, 1985-2026 (gas and diesel applications including 6.9L, 7.3L IDI, 7.3L\/6.0L\/6.4L\/6.7L Power Stroke, and 5.4L\/6.8L\/7.3L\/7.5L gas). CARB E.O. not required.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/official.bankspower.com\/owners_manual\/97709-banks-sterling-rear-differential-cover\/\" target=\"_blank\" rel=\"noopener\"\u003eInstallation manual and video from Banks\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eBanks parts 19258 (Black Ops), 19252 (Satin Black\/Machined), 19262 (Natural Aluminum). Shipping weight approx. 11.7 lb.\u003c\/p\u003e","brand":"Banks Power","offers":[{"title":"Black Ops","offer_id":45121730445335,"sku":"19258","price":438.89,"currency_code":"USD","in_stock":true},{"title":"Satin Black\/Machined","offer_id":45121730478103,"sku":"19252","price":438.89,"currency_code":"USD","in_stock":true},{"title":"Natural Aluminum","offer_id":45121730510871,"sku":"19262","price":416.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/6826\/8311\/files\/Sterling12_Multi_View_2.jpg?v=1781223639","url":"https:\/\/dieselrcorp.ca\/products\/banks-ram-air-differential-cover-kit-ford-sterling-12-bolt-axle-with-10-25-10-5-ring-gear-1985-2026","provider":"DIESELR Corp.","version":"1.0","type":"link"}