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GMP-TH400SP383-F2 - CPP SP383 EFI Crate Engine with TH400 Trans Package

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

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GMP-TH400SP383-F2 - CPP SP383 FAST 2.0 EZ-EFI Engine with 700R4 Transmission Package

These all new fully dressed SP383's offer Big Block performance with a Small Block price tag and offer an incredible 445 ft. lbs. of torque @ 4600 rpm with a smooth, linear delivery. The combination of a 3.800 steel crank and a stout .509/.528 lift hydraulic roller camshaft produces 435hp @ 5600 rpm, making the SP383 the benchmark by which all other 383cid small blocks will be measured.

Power: 435 HP @ 5600 RPM, 445 ft. lbs. of torque @ 4600 RPM
Displacement: 383 CID
Bore x Stroke: 4.00” x 3.80”
Compression Ratio: 9.6:1
Recommended Fuel: 92 Octane
Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
Crankshaft: 4340 Forged Steel
Connecting Rods: HD 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: CPP Fast Burn Aluminum Dual Bolt Pattern, 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: 12625033 Bee-Hive
Balance: External
Maximum GM Recommended RPM: 6000
Ignition Timing: Base 10 degrees BTDC, 36 degrees total

Engine Includes:
• Fully GM assembled long block
• Black Powder Coated Aluminum Valve Covers
• Edelbrock Black Pro Flo 14” Air Cleaner
• GM Aluminum Vortec, Single Plane Intake
• FAST EZ-EFI 2.0® Self Learning Fuel Injection with Limited Lifetime Warranty (click on Documents Tab for details and instructions)
• FAST Dual-Sync Billet Distributor, allows timing to be controlled by ECU(click on Documents Tab for details and instructions)
• Plug Wires, Looms and Spark Plugs
• Oil pump, pick-up and oil pan
• 14” Auto Trans Flexplate
• 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.

Lifetime Warranty PA Street Smart Transmission Packages

Performance Automatic Street Smart transmission systems have been built to meet the specific requirements of street rods and street machines. Available for many popular GM, Ford, and Mopar applications, they're perfect behind many of today's high performance crate engines. Each Street Smart package includes an upgraded Performance Automatic transmission, torque converter, filler tube, mount and hardware packages.

Package Includes:

• Stage II TH400 trans rated for 650HP
• Performance Racing Clutches
• Valve Body Shift Package
• HD Srag
• Aluminum Oil Pan with Drain Plug
• 11" 2500 Stall Convertor
• Dipstick & Tube
• Transmission Mount
• Torque Convertor Inspection Cover
• 14 Quarts of Automatic Transmission Fluid
• Complete mounting hardware kit and instructions

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

Performance Automatic Limited Lifetime Warranty.(Click on Document tab above for full details).

Related Products:
Pace Professional Engine Dyno Break-In & Testing

Application List



  • GMP-TH400SP383-F2
  • GMP-TH400SP383-F2
  • PACE Performance
  • New


Shipping Information

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

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