Speedmaster 1-286-001-01 Compatible with Chevy SBC 350 B-4.000 M-350 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block

Brand:SpeedmasterPart Number:1-286-001-01Part Type:Engines, Bare BlockCylinder Bore Diameter:4.000 in.Bore & Stroke:4.185 in. x 4.000 in. Max RecommendedCam Journal OD:Standard SBC - 1.869Cam Plug:2.375 in. Dia. Cup PlugCylinder Wall Thickness:0.275 in. min @ 4.185 in. BoreDeck Height:9.025 in.Deck Thickness:0.675 in. MinFuel Pump :Standard Mechanical ProvisionFuel Pump Pushrod:Standard LengthFreeze Plugs:10 x 1-5/8 in. Press In Cup PlugsLifter 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 SplayedMain 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 - StandardOil Filter:SBC, Uses 2 Bolt AdapterOil Pan:Standard 350 SBCRear Main Seal:Standard 350 SBCSerial No. Location:Laft Front & Main CapsStarter:Standard SBCStud Holes, Head:Blind HolesTiming Chain/Gears:Standard SBC ComponentsTiming Cover:Standard Cam Location SBCTorque 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. BoreQuantity:Sold individually.Notes:Cam Bearings not Included, Replaces Dart 31181111

• 286 Engines, Bare Block
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