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Chevrolet Performance SP383...
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Chevrolet
Product Details
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Vehicle Compatibility
Fits Chevrolet Performance SP383 EFI Stroker Crate Engine - 450 HP/436 TQ - Electronic Fuel Injection - Classic Appearance.
Please refer to manufacturer specifications for complete compatibility information.
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Key Features
EFI Stroker Power with Classic Appearance
The SP383 EFI combines the proven 383 "stroker" combination with contemporary electronic fuel injection convenience. This turnkey engine delivers 450 horsepower and incorporates a port-style injection system with traditional carburettor-style appearance.
Specifications:
- Part Number: 19433045 (and related variants)
- Engine Type: Small-Block Stroker V-8
- Displacement: 383 cu in
- Power: 450 horsepower
- Torque: 436 lb-ft
- Compression Ratio: 9.72:1
EFI System Design:
- Port-style injection system with injectors plumbed in carburettor-style intake manifold
- Throttle body mounted in conventional carburettor position
- Allows for traditional air cleaner and classic appearance
- Multi-Port Fuel Injection (MPFI) technology
- Computer-controlled for precise fuel delivery
Engine Construction:
- Cast iron block with enhanced strength
- Forged steel crankshaft for stroker displacement
- Heavy-duty connecting rods
- Aluminum pistons optimized for stroker configuration
Cylinder Head Technology:
- Aluminum cylinder heads for weight savings and heat dissipation
- High-flow port design
- Stainless steel valves for durability
- Optimized combustion chamber design
Turnkey Assembly Includes:
- Distributor and harmonic balancer installed
- Throttle body and fuel injection system
- Starter motor
- Air conditioning pump mounting
- Alternator
- Single-belt front-end accessory drive system
- Complete wiring harness and computer control system
Installation Features:
- 12.750" externally balanced 153-tooth flexplate included
- Manual transmission applications require externally balanced flywheel
- Ready to run with minimal additional components required
- Professional installation recommended for EFI system setup
Fuel Requirements:
- Designed for premium pump gasoline
- EFI system optimizes fuel delivery for performance and efficiency
- Computer-controlled air/fuel ratios
Application Notes:
- Perfect for classic car upgrades wanting modern EFI convenience
- Traditional appearance maintains classic aesthetic
- Not intended for marine applications
- Emissions-legal in many applications (verify local requirements)
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Product Videos
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Product Specifications
Actual Engine Displacement
6.3L/383
Advertised Compression Ratio
9.72:1
Assembled
Yes
Brand
Chevrolet Performance
Cam Style
Hydraulic roller
Carburetor Included
No
Crate Engine Cylinder Head Material
Aluminum
Crate Engine Family
Chevy Small Block
Cylinder Heads Included
Yes
Distributor Included
Yes
Engine Balance
Internal/External
Engine Block Material
Cast iron
Flexplate Included
Yes
Flywheel Included
No
Harmonic Balancer Included
No
Intake Manifold Included
Yes
Intake Manifold Style
Fuel Injection
Manufacturer's Part Number
19433045
Oil Pan Included
Yes
Part Type
Small Block Chevrolet Crate Engines
Rear Main Seal Style
1-piece
Throttle Body Included
Yes
Timing Cover Included
Yes
Valve Covers Included
Yes
Water Pump Included
No
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Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.