GM Performance GM Performance SP383 435 HP Crate Engine (PART #GMP-19355722)

Classics with more poweraGM Performance SP383 c.i.d engine assemblies produce performance! More powerful than ever, these small block strokers are built with cylinder heads that incorporate a new, high-rpm valvetrainaand lightweight aluminum cylinder heads based on the proven Fast Burn design with large intake runners and 2.00/1.55 in. valves. They also feature beehive-style valve springs that enable greater high-rpm performance and durability while allowing the SP383 to rev higher, building more power to complement its low-rpm torque. Unique valve covers distinguish the engine from previous versions, and it now includes a high-flow, aluminum intake manifold.

GM Performance SP383 engine assemblies also feature:

  • 4-bolt main bearing caps
  • Forged steel crankshaft
  • Heavy-duty powdered metal connecting rods
  • Hypereutectic aluminum pistons
  • Hydraulic roller camshaft

SPECIFICATIONS
Brand GM Performance
Manufacturer's Part Number 19355722
Part Type Crate Engines
Product Line GM Performance SP383 C.I.D Engine Assemblies
Crate Engine Family Chevy Small Block
Actual Engine Displacement 6.3L/383
Crate Engine Cylinder Head Material Aluminum
Engine Block Material Cast iron
Advertised Compression Ratio 9.72:1
Assembled Yes
Engine Balance External
Cam Style Hydraulic roller, OE roller
Rear Main Seal Style 1-piece
Intake Manifold Included Yes
Intake Manifold Style Carbureted
Cylinder Heads Included Yes
Carburetor Included No
Throttle Body Included No
Distributor Included No
Oil Pan Included Yes
Valve Covers Included Yes
Timing Cover Included Yes
Water Pump Included Yes
Harmonic Balancer Included Yes
Flexplate Included Yes
Flywheel Included No
Air Cleaner Included No
Spark Plugs Included No
Spark Plug Wires Included No
Computer Included No
Wiring Harness Included No
Water Pump Style Long
Supercharger Included No
Remanufactured No
Quantity Sold individually.

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