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

Regular price £8,702.39 GBP inc VAT
Shipping calculated at checkout.
SKU: ht383
Delivery ETA: Oct 12 – Oct 16
Backorder. We will confirm dispatch timings after checkout.

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

Chevrolet

Product Details

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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 Videos

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Product Specifications

Part Type
Small Block Stroker Engine
Product Type
Small Block Stroker Engine
Weight
215kg
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Package Contents

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