Brand:Speedmaster
Part Number:1-286-001-01
Part Type:Engines, Bare Block
Cylinder Bore Diameter:4.000 in.
Bore & Stroke:4.185 in. x 4.000 in. Max Recommended
Cam Journal OD:Standard SBC - 1.869
Cam 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. Min
Fuel 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 Caps
Starter:Standard SBC
Stud Holes, Head:Blind Holes
Timing Chain/Gears:Standard SBC Components
Timing 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 31181111