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Chevrolet Performance 12561723 - Chevrolet Performance 350 ZZ4 HO Short Block Assembly



Chevrolet Performance 12561723 - Chevrolet Performance 350 ZZ4 HO Short Block Assembly
Chevrolet Performance 12561723 - Chevrolet Performance 350 ZZ4 HO Short Block Assembly

JEGS Part Number: 809-12561723

350 ZZ4 HO Short Block Engine Assembly
  • 10-1 Compression Ratio with 58cc Heads
  • Not For Marine Applications

    Chevrolet Performance 350 ZZ4 HO Short Block Assembly

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    The Chevrolet Performance 350 ZZ4 HO Short Block Assembly comes with a four-bolt main block, forged steel crankshaft, forged powdered metal connecting rods and light flat top hypereutectic pistons. This partial engine assembly ensures high-RPM performance with a solid foundation for your next project!

    Specification:
  • Iron Block
  • Forged 1053 Steel Crank
  • 4-Bolt Main Caps
  • Hypereutectic Flat Top Pistons
  • I-Beam Connecting Rods
  • 1-Piece Rear Main Seal
  • Brass Freeze Plugs

    GM Warranty

  • Chevrolet Performance 12561723

    Flywheel Included
    No
    Assembled
    Yes
    Connecting Rod Beam Style
    I-beam
    Connecting Rod Material
    Powdered metal
    Crankshaft Material
    Forged 4340 steel
    Deck Height (in.)
    9.025
    Engine Block Material
    Cast iron
    Flexplate Included
    No
    Harmonic Balancer Included
    No
    Main Bolt Style
    4-bolt
    Main Journal Type
    350 mains
    Oil Pan Included
    No
    Piston Material
    Hypereutectic aluminum
    Quantity
    Sold individually
    Short Block Piston Style
    Flat top
    Timing Cover Included
    No
    Engine Balance
    Internal/External
    Rear Main Seal Style
    1-piece
    Manufacturer's Part Number:
    12561723
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