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GM Performance Parts 350 HO Engine


GM Performance
GM Performance Parts 350 HO Engine

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A value-priced 350 with 330 horsepower!

This engine doesn't sacrifice power or durability with its four-bolt main block, nodular iron crankshaft, PM steel connecting rods, and cast aluminum pistons. Add to the strong foundation a pair of cast iron Vortec 64cc cylinder heads with 1.94'' intake and 1.50'' exhaust valves, yielding a healthy but streetable 9.1:1 compression ratio (ideal for muscle cars and street rods). The camshaft is a modern dual pattern interpretation of the 1965-67 Corvette 327 cam with more exhaust lift/duration for improved combustion chamber clearance and less intake lift/duration for more cylinder pressure.

  • 330 HP @ 5000 RPM
  • 380 ft/lbs torque @ 3800 RPM (Max Recommended RPM: 5500)
  • Compression Ratio: 9.1:1
  • Cast Iron 4-Bolt Block with One-Piece Rear Main Seal
  • Nodular Cast Iron Crankshaft
  • Cast Aluminum Pistons
  • PM Steel Connecting Rods
  • Cast Iron Vortec 64cc Cylinder Heads (1.94" Int/1.50" Exh valves)
  • Chrome valve covers
  • Dual Pattern Cam (Lift: .435" Int/.460" Exh, Duration @ .050": 212° Int/222° Exh)
  • 1.5 Ratio Rocker Arms
  • Recommended spark plug: Accel #111-516 or any with 14mm, .708'' reach, 5/8'' hex, tapered seat, projected tip
  • Chrome timing cover
  • Oil dipstick on right side

    Note: Intake and exhaust manifolds, distributor, flexplate, damper, and water pump not included

    Warranty Information



  • GM Performance 12486041 - GM Performance Parts 350 HO Engine
    809-12486041 GM Performance Parts 350 HO Engine
    Truck Freight - 159.00
    $2,659.99

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