{"product_id":"ford-351w-crate-engine-with-fitech-efi","title":"Ford 351W Crate Engine with FITECH EFI","description":"The ATK HP11C-EFI is a Ford 351W crate engine designed for enhanced performance, delivering 390 horsepower and 420 lb-ft of torque. It is built upon a seasoned OE roller block, compatible with models from 1993-1997, and features a 4.040 x 3.500 bore and stroke, resulting in a 351 cubic inch displacement.\n\nKey components include an OE crankshaft with a one-piece rear main seal and 28oz balance, OE rods, and hypereutectic pistons that achieve a 9.8:1 compression ratio. The engine is equipped with Moly rings, a hydraulic roller camshaft with specs of 220\/224 @50 .512in\/.512ex 112LSA, and a double-roller timing chain. It also boasts ATK HP aluminum cylinder heads with 58cc\/170cc chambers and 2.02\/1.60 valves, and billet aluminum roller rockers with a 1.6 ratio. A front sump oil pan, Melling high-volume oil pump, and external balance 28oz balancer are included.\n\nThis engine package comes with a Weiand Stealth dual-plane intake manifold and a Pro Billet distributor with an upgraded melonite gear. It is fitted with a Fitech Go Street EFI 400HP system, which includes the throttle body, wire harness, and handheld unit. An early RH inlet standard rotation water pump is specified. Please note that a fuel pump is not provided and an electric or mechanical fuel pump with a Fitech Fuel Command Center must be used. For tachometer signal, an MSD ignition box is mandatory. Spark plugs should be Autolite #3923 and spark plug wires should be 8mm.\n\nRecommended engine operation includes conventional or non-synthetic 10W30 oil, with Wix or K\u0026amp;N oil filters. Timing should be set between 34-36 degrees with the vacuum port plugged on the carburetor, and the spark plug gap should be .035”. The firing order is 13726548, requiring 91+ octane fuel. A stall converter in the range of 2200-2500 RPM is recommended, and the exhaust should be 1 5\/8 headers. The disclaimer states that power figures are based on ATK's recommended components and may vary. Customers are responsible for verifying component compatibility and potential vehicle modifications. ATK reserves the right to substitute parts if necessary.","brand":"Ford Motor Company","offers":[{"title":"Default Title","offer_id":52688417292600,"sku":"HP11C","price":6182.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687900153.jpg?v=1784889858","url":"https:\/\/store.motormia.co\/products\/ford-351w-crate-engine-with-fitech-efi","provider":"MOTORMIA","version":"1.0","type":"link"}