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Product Details
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Overview
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
Actual Engine Displacement
6.3L/383
Advertised Compression Ratio
9.1:1
Air Cleaner Included
No
Assembled
Yes
Brand
Chevrolet Performance
Cam Style
Hydraulic roller
Carburetor Included
No
Computer Included
No
Crate Engine Cylinder Head Material
Cast iron
Crate Engine Family
Chevy Small Block
Cylinder Heads Included
Yes
Distributor Included
No
Engine Balance
External
Engine Block Material
Cast iron
Engine Type
Small Block
Flexplate Included
Yes
Flywheel Included
No
Harmonic Balancer Included
Yes
Intake Manifold Included
Yes
Intake Manifold Style
Carbureted
Manufacturer's Part Number
19433036
Oil Pan Included
Yes
Part Type
Small Block Chevrolet Crate Engines
Rear Main Seal Style
1-piece
Remanufactured
No
Spark Plug Wires Included
No
Spark Plugs Included
Yes
Supercharger Included
No
Throttle Body Included
No
Timing Cover Included
Yes
Valve Covers Included
Yes
Water Pump Included
Yes
Water Pump Style
Long
Weight
215kg
Wiring Harness Included
No