GMP-19333157-2CX -CPP SP350 425HP Fully Assembled Engine with Black Finish

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The SP350 is an excellent choice for the basis of a custom engine. Its strong forged steel crankshaft and forged powdered metal connecting rods have been proven to 500 horsepower. Value priced small-block power, great durability, easy power upgrades.

Power: 425 HP @ 5800 RPM, 425 ft. lbs. of torque @ 4600 RPM
Displacement: 350 CID, 5.7L
Bore x Stroke: 4.00” x 3.48”
Compression Ratio: 9.72:1
Recommended Fuel: 92 Octane
Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
Crankshaft: Forged Steel
Connecting Rods: Powdered Metal Steel
Pistons: Hypereutectic Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .509” Intake / .528” exhaust
Cam Duration @ .050”: 222 deg. Intake / 230 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: Dual Bolt Pattern Fast Burn Aluminum, 3/8” screw-in rocker studs
Combustion Chamber: 62cc
Valves: .200” Intake/ 1.55” Exhaust
Rocker Arms: Aluminum Roller, 1.5:1 Ratio
Valve Springs: LS Beehive 12625033, Max .530” Lift
Balance: External
Maximum GM Recommended RPM: 5800
GM Recommended Torque Converter 3000-3400 Stall
Ignition Timing: Base 10 degrees BTDC, 36 degrees total @ 4000 RPM

Engine Includes:
• Fully GM assembled long block
• Black Powdercoated Finned Aluminum Valve Covers with custom breather & PCV
• Black 14” Air Cleaner with Chevy Logo
• Oil pump, pick-up and oil pan
• Edelbrock RPM Air-Gap Vortec Aluminum Black Performance Intake
• Hand built AED 750CFM Holley mechanical secondary carb
• Performance Fuel Pump with Plumbing to Carb
• MBI Distributor, Coil, Plug Wires, Looms and Spark Plugs
• 14” Auto Trans Flexplate
• HD Starter with Bolts
• 8” Harmonic Balancer
• Front timing cover
• Performance Aluminum Long Water Pump (short style pump available upon request)
• Oil Filter Adapter
• Passenger Side RH Oil Dipstick and Tube
• 2 Oil Filters
• 6 Quarts of Zinc enhanced break in oil
• 6 Quarts of Zinc enhanced 10W30 non-synthetic oil
• Pace engine prep and priming service. (click on documents tab for more information about Pace engine prep and oil priming service)

General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.

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Retro Black Finish SP350 425HP Engine with T56 6-Speed Transmission Combo Package
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CPP Base SP350 Crate Engine

Application List



  • GMP-19333157-2CX
  • GMP-19333157-2CX
  • PACE Performance
  • New


Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • FREE 48 State Shipping

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