Chevs of the 40s » Chevy Parts » Engine » Crate Engines » Item #BP3830CT1 Discontinued Item: This item is discontinued. Please CALL to see if there is a replacement or an alternative. Crate Engine, GM - 383ci (Chevy Small Block) Vortec - 405hp Item # BP3830CT1 Weighs 1.0000lbs. Crate Engine - GM 383ci SB Stroker with Vortec Heads 405hp, 440 ft/ lbs. Torque Block:4 bolt main block - Square and parallel decked - Align honed main bearing bore - Cylinders honed on computer controlled machine to within .0002 straightness and roundness - Cylinders are sonic tested for thickness.Rotating Assembly:New SCAT cast crankshaft - Keith Black Hypereutectic pistons - Chevy heavy beam rods with 150,000 psi bolts - Hastings Moly rings - Balanced rotating assembly - Melling high volume oil pump - Clevite 77bearings - Flat tappet hydraulic lifter camshaft .487 intake/.503 exhaust and 234 intake /244 exhaust duration @ .050-112 - Heavy duty double roller timing set.Cylinder Heads:Cast iron "vortec" 64cc heads - 1.25 diameter valve springs - Hardened retainers and keepers - 2.02 swirl polished intake valves - 1.60 swirl polished exhaust valves - Hardened push rods. A Ton Of Extras:Professional Products dual plane, satin finish intake manifold - 9.5 to 1 compression - New chrome valve covers - Brass freeze plugs - Dyno tested and shipped with dyno results.NOW comes with a 30 month / 50,000 mile warranty .*Must use 1969-1985 non-weighted flywheel and external weight 400-style balancer. NOW comes with a 30 month / 50,000 mile warranty .Requires external weight 400 style harmonic balancer and use of early non-weighted flexplate or neutral balanced flywheelNOTE: THIS ENGINE WILL NOT WORK FOR APPLICATIONS REQUIRING EGR This part fits most Chevrolet; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application. Discontinued Item This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov CA Prop 65 Warning This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov Reviews There are no reviews at this time Login to Write A Review Fits Vehicle Models Product Fits Vehicle Models There are no specific vehicles models specified for this part.