Product Details
Vehicle Compatibility
Fits Chevrolet Performance HT383 Small Block Stroker Crate Engine - 323 HP/444 TQ - 383ci High Torque - Truck Power.
Please refer to manufacturer specifications for complete compatibility information.
Key Features
Got a pre-1980 GM truck with a tired Small-Block? Forget the rebuild or reconditioned used engine and take your trusty truck's capability to the next level with this big-torque HT383 stroker crate engine
High-Torque Small Block for Truck Applications
The HT383 is specifically engineered for low-rpm torque in truck applications, featuring stroker displacement and components designed to build a wide, flat torque curve that maintains over 400 lb-ft between 2,500 and 4,000 rpm.
Key Specifications:
- Part Number: 19433036
- Engine Type: Small-Block Stroker V-8
- Displacement: 383 cu in
- Bore x Stroke: 4.000" x 3.800"
- Power: 323 horsepower at 4,200 rpm
- Torque: 444 lb-ft at 3,000 rpm
- Compression Ratio: 9.1:1
Engine Construction:
- Cast iron block with 4-bolt main caps (upgrade from most production 2-bolt mains)
- 4340 forged steel crankshaft
- Heavy-duty powdered metal steel connecting rods
- Hypereutectic aluminum pistons
- One-piece rear main seal design
Cylinder Head Technology:
- Cast iron Vortec-style cylinder heads
- Valve sizes: 1.940" intake / 1.50" exhaust
- Stamped steel self-aligning rocker arms with 1.5:1 ratio
- Optimized for low-rpm breathing
Camshaft Specifications:
- Hydraulic roller camshaft
- Valve lift: 0.431" intake / 0.451" exhaust
- Duration (@0.050): 196° intake / 206° exhaust
- Lobe centerline: 109 degrees
- Specifically tuned for low-end torque production
Complete Package Includes:
- Aluminum dual-plane, dual-flange intake manifold with external EGR provisions
- Cast iron long-leg water pump with standard "V" belt rotation
- 8" harmonic balancer
- 12-3/4" automatic flexplate
- 4-quart oil pan with windage tray
- Painted valve covers with oil cap and grommets
Fuel Requirements:
- 9.1:1 compression allows operation on regular unleaded gasoline (87 octane)
- Suitable for all altitudes and engine loads
Application Notes:
- Ideal for pre-1980 GM trucks with tired small-blocks
- Perfect for towing and off-road applications
- Wide, flat torque curve superior to stock rebuilds
- Intended for pre-1979 street vehicles or any off-road vehicles
This Product is a USA Special Order, and will take around 6 - 8 weeks to arrive, call to discuss options
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Product Specifications
Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.