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World Products SBC Motown Iron Race Block Mains: 400

World Products 084130


made in usa
jegs shipping
Estimated to ship directly from the manufacturer on 10/02/18
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Truck Freight: $119.00
World Products SBC Motown Iron Race Block Mains: 400 $2,747.39
SB-Chevy Motown Iron Race Block
  • Mains: 400
  • Bore: 4.115"

  • Specifications:

    Rear Main Seal Style
    Cam Bearings Included
    Cylinder Bore as Shipped (in.)
    Cylinder Bore Diameter (in.)
    Deck Height (in.)
    Engine Block Material
    Cast iron
    Engine Block Style
    Stock/OEM standard deck
    Engine Block Weight (lbs.)
    Finished Cylinder Bores
    Freeze Plugs Included
    Main Bearings Included
    Main Bolt Style
    Main Cap Fasteners Included
    Main Cap Material
    Main Caps Included
    Main Journal Type
    400 mains
    Sold individually
    Raised Cam Location
    Manufacturer's Part Number:

    Perfect for Nostalgia Drag Racing or Oval Track Spec Classes
    For competition applications where superchargers, turbos, nitrous or ultra high compression results in extreme combustion pressures, World Products offers Motown Race Blocks. The most significant difference between the race block and its standard sibling is the use of splayed billet steel 4-bolt main caps that distribute load over a larger area. Other features include reinforced main webs, bulkheads, and substantial deck & walls.SPECIFICATIONS

    • Material: Cast iron
    • Deck Height: 9.025'' (standard Chevy)
    • Deck Thickness: .600'' minimum
    • Cam Bearings: Standard Chevy small block set
    • Main Bearings: Standard Chevy
    • Camshaft Location: Stock
    • Lifter Bores: Indexed (stock .843'' bore)
    • Bore: 3.990'' (hone to 4.000'') or 4.115'' (hone to 4.125'')
    • Maximum Bore: 4.200''
    • Cylinder Wall Thickness: .250'' @ 4.200'' bore
    • Water Jackets: Expanded for better cooling
    • Lubrication: Priority main oiling system
    • Oil System Features: Integral boss for front feed, rear scavenge boss, wet sump pump provision
    • Filtration: Integral mount for spin-on filter
    • Oil Pan Rails: Solid (stock width)
    • Crank Clearance: 4.000'' stroke (with H-Beam steel connecting rods)
    • Main Caps: Splayed billet steel 4-bolt (1/2'' bolts inside and 7/16'' studs outside)
    • Fuel Pump Location: OE mount
    • Starter Mount Location: OE mount
    • Motor Mounts: Front and side
    • Cylinder Head Holes: Blind tapped
    • Weight: Approximately 190 lbs

    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations

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