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Chevrolet Performance 12480159

400 Bow Tie Sportsman Block CNC-machined cast iron competition block

Chevrolet Performance 12480159

809-12480159

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Chevrolet Performance 12480159 400 Bow Tie Sportsman Block CNC-machined cast iron competition block $1,869.10
400 Bow Tie Sportsman Block
  • CNC-machined cast iron competition block
  • 4-bolt nodular mains (splayed caps on center 3 mains)
  • 4.117" finished bore
  • Tall Lifter Bores
  • 2-piece rear main seal

  • Specifications:

    Rear Main Seal Style
    2-Piece
    Cam Bearings Included
    No
    Cylinder Bore as Shipped (in.)
    4.117
    Cylinder Bore Diameter (in.)
    4.155
    Deck Height (in.)
    9.025
    Engine Block Material
    Cast iron
    Engine Block Style
    Stock/OEM standard deck
    Engine Block Weight (lbs.)
    196
    Finished Cylinder Bores
    No
    Freeze Plugs Included
    No
    Main Bearings Included
    No
    Main Bolt Style
    4-bolt
    Main Cap Fasteners Included
    Yes
    Main Cap Material
    Nodular iron
    Main Caps Included
    Yes
    Main Journal Type
    400 mains
    Quantity
    Sold individually
    Raised Cam Location
    No
    Manufacturer's Part Number:
    12480159

    The Chevrolet Bow Tie Sportsman Block has been the starting point for countless race engines. These iron blocks are available in a variety of finish options to build almost any engine combination. Most of these blocks are secured by Grade 8 bolts, and all blocks in this family have a 9.025" deck height. They're a great foundation for a serious street, circle track, or drag car that makes between 350 and 500 horsepower.

    Technical Notes
  • Oil Dipstick Holes Not Drilled
  • Timing System Clearance Must Be Checked
  • Lifter Bores May Require Clearancing on Some Roller Lifters

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