Chevrolet Performance HT383 Small Block Stroker Crate Engine - 323 HP/444 TQ - 383ci High Torque - Truck Power

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.

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

Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.