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GMP-TH350SP350-1 - Chrome Finish CCP SP350 350CID Engine with TH350 Trans

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GMP-TH350SP350-1 - GM Chrome Finish CCP SP350 350CID Engine with TH350 Transmission Combo Package

The new SP350 uses the proven ZZ4 short block and adds to it the Fast Burn aluminum cylinder heads for 375 value packed horsepower. With value in mind, the SP350 uses stamped steel rocker arms and the same ZZ4 camshaft that powers thousands of hot rods. 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.

Power: 375 HP @ 5600 RPM, 405 ft. lbs. of torque @ 3600 RPM
Displacement: 350 CID, 5.7L
Bore x Stroke: 4.00” x 3.48”
Compression Ratio: 9.6:1
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: .474” Intake / .510” exhaust
Cam Duration @ .050”: 208 deg. Intake / 221 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: Stamped Steel, 1.5:1 Ratio
Valve Springs: LS Beehive Springs, Max .530” Lift
Balance: External
Maximum GM Recommended RPM: 5800
Ignition Timing: Base 10 degrees BTDC, 36 degrees total @ 4000 RPM

Engine Includes:
• Fully GM assembled long block
• Steel Chrome Valve Covers with Chevy Logo
• Steel Chrome 14” Air Cleaner with Chevy Logo
• Oil pump, pick-up and oil pan
• Aluminum Performance Intake
• GM Tuned 770CFM Holley Carb
• Performance Fuel Pump with Plumbing to Carb
• HEI Distributor, Plug Wires, Looms and Spark Plugs
• 14” Auto Trans Flexplate
• HD Starter with Bolts
• 8” Harmonic Balancer
• Front timing cover
• Cast Iron Long Water Pump
• Oil Filter and 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.

Performance Automatic TH350 Street Smart Transmission Package

Performance Automatic Street Smart TH350 transmission systems have been built to meet the specific requirements of street rods and street machines. They're perfect behind many of today's high performance crate engines. The TH350 Street Smart package includes an upgraded Performance Automatic transmission, torque converter, filler tube, mount and hardware packages.

Package Includes :

• Stage II TH350 transmission rated for 550HP
• Performance Racing Clutches
• Valve Body Shift Package
• Aluminum Oil Pan with Drain Plug
• 11" 2500 Stall Convertor
• Dipstick & Tube
• Transmission Mount
• Torque Convertor Inspection Cover
• Bolt & Hardware Package
• Kick-Down Cable
• 12 Quarts Automatic Transmission Fluid

Speedometer drive & driven gears available at NO charge when warranty registration is mailed to Performance Automatic.

Click on Documents Tab for Warranty Statement and Installation Instructions

Application List



  • GMP-TH350SP350-1
  • GMP-TH350SP350-1
  • PACE Performance
  • New


Shipping Information

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

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