{"product_id":"blueprint-engines-chev-383-marine-long-engine-405hp-mbp3830ct","title":"BluePrint Engines Chev 383 Marine Long Engine 405hp # MBP3830CT","description":"\u003cp\u003eBluePrint Engines Chev 383 Marine Long Engine 405hp # MBP3830CT\u003c\/p\u003e\u003cp\u003eBluePrint Engines brings reliable, wave-crushing power to the water with our Marine Small Block compatible 383 c.i. long block, delivering a stout 405 horsepower built for real-world boating demands. Purpose-engineered for marine duty, this engine is assembled with premium components, precise machining, and durability enhancements that stand up to long days at cruising RPM and hard throttle pulls alike. Its the perfect foundation for boaters who want smooth performance, strong torque, and the confidence that their boat is built to handle salt, spray, and season after season of adventure. Drop it in, fire it up, and let the good water days roll.\u003c\/p\u003e\u003ch4\u003eDescription:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHorsepower \u0026amp; Torque: 405 Horsepower \/ 450 ft. lbs. Torque\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 9.5:1\u003c\/li\u003e\n\u003cli\u003eCast Iron Heads\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Hydraulic Roller Cam\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Cast Crankshaft\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Hypereutectic Pistons\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eBlock:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBluePrint Engines High Strength Cast Iron Block\u003c\/li\u003e\n\u003cli\u003eSquare and Parallel Decked\u003c\/li\u003e\n\u003cli\u003eAlign Honed Main Bearing Bore\u003c\/li\u003e\n\u003cli\u003eCylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness\u003c\/li\u003e\n\u003cli\u003eCylinders are Sonic Tested for Thickness\u003c\/li\u003e\n\u003cli\u003e4-Bolt Main\u003c\/li\u003e\n\u003cli\u003e4.000\" Bore\u003c\/li\u003e\n\u003cli\u003e1-Piece Rear Main Seal\u003c\/li\u003e\n\u003cli\u003eMech Fuel Pump Provision: Yes\u003c\/li\u003e\n\u003cli\u003ePassenger Side Dipstick Drilled and Tapped for Clutch Linkage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eRotating Assembly:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast Crankshaft\u003c\/li\u003e\n\u003cli\u003e3.750\" Stroke\u003c\/li\u003e\n\u003cli\u003eOEM Type 5.700\" Connecting Rods w\/ 150,000 PSI Bolts\u003c\/li\u003e\n\u003cli\u003eHypereutectic Pistons\u003c\/li\u003e\n\u003cli\u003eExternal Front\/ External Rear Engine Balance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCylinder Heads:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVortec Cast Iron Cylinder Heads\u003c\/li\u003e\n\u003cli\u003e1.94 Intake Valves\u003c\/li\u003e\n\u003cli\u003e1.50 Exhaust Valves\u003c\/li\u003e\n\u003cli\u003eHardened Push Rods\u003c\/li\u003e\n\u003cli\u003eLong Slot Rockers with Positive Lock Adjusting Nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCam Specs:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHydraulic Roller\u003c\/li\u003e\n\u003cli\u003e.495 Intake \/ .502 Exhaust Lift\u003c\/li\u003e\n\u003cli\u003e220 Intake \/ 224 Exhaust Duration\u003c\/li\u003e\n\u003cli\u003e@.050-114 Degree Lobe Separation\u003c\/li\u003e\n\u003cli\u003eUsing 1.5 Rocker's \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAlso Includes:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMarine Intake Manifold\u003c\/li\u003e\n\u003cli\u003eValve Covers\u003c\/li\u003e\n\u003cli\u003eOil Pan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blueprint","offers":[{"title":"Default Title","offer_id":49006331789466,"sku":"MBP3830CT","price":14500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4312\/9498\/files\/MBP3830CT.full.webp?v=1786669011","url":"https:\/\/www.eagleautoparts.com.au\/products\/blueprint-engines-chev-383-marine-long-engine-405hp-mbp3830ct","provider":"Eagle Auto Parts","version":"1.0","type":"link"}