Speedmaster® Engines, Bare Block 1-286-002-01

SpecsBrand:SpeedmasterPart Number:1-286-002-01Part Type:Engines, Bare BlocksProduct Line:H1Cylinder Bore Diameter:4.125 in.Bore & Stroke:4.185 in. x 4.000 in. Max RecommendedCam Journal OD:Standard SBC - 1.869Cam Plug:2.375 in. Dia. Cup Plug Cylinder Wall Thickness:0.275 in. min @ 4.185 in. Bore Deck Height:9.025 in. Deck Thickness:0.675 in. MinFuel Pump :Standard Mechanical Provision Fuel Pump Pushrod:Standard Length Freeze Plugs:10 x 1-5/8 in. Press In Cup Plugs Lifter Bores:SBC 0.8427-0.8437 in. Main Bearing Size: 2.450 in. (SBC 350)Main Bearing Bore:2.649 in. (SBC 350)Main Cap Bolts:#1 7/16 in. (2) 3/8 in. (2)#2, 3, 4 7/16 (2) Splayed (2)#5 7/16 in. (2) 3/8 in. (2) Main Cap Press:0.005 in. Main Caps:All 5 Billet Steel. 3 Center Caps Splayed Main Cap Register:Deep Stepped Register (No Need for Dowels) Oil System:Wet Sump - Main Priority Oiling (Can Use Dry Sump)Oil Pump Shaft:350 0.481 in. OD - Standard Oil Filter:SBC, Uses 2 Bolt Adapter Oil Pan:Standard 350 SBC Rear Main Seal:Standard 350 SBC Serial No. Location:Laft Front & Main CapsStarter:Standard SBCStud Holes, Head:Blind HolesTiming Chain/Gears:Standard SBC ComponentsTiming Cover:Standard Cam Location SBC Torque Specs:1 - 5 7/16 in. Bolts 65 ft. lbs. 1 & 5 3/8 in. Bolts - 35 ft. lbs. Weight:205 Lbs @ 4.0 in. Bore Quantity:Sold individually.Notes:Cam Bearings not Included, Replaces Dart 31131211Calculator:CFM Calculator

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