Hawks Motorsports offers our clients this B383K4WD BluePrint Engines GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready 405 Horsepower Truck Edition Builder Series Polished Pulley Kit Carbureted for customers looking for a complete high-performance drivetrain package designed for classic GM trucks and custom 4WD applications. This engine and transmission combination delivers increased displacement, strong torque output, traditional carbureted performance, and dependable automatic overdrive capability for street, restoration, and performance truck builds.

The B383K4WD features a 383 cubic inch GM Small Block compatible engine producing 405 horsepower and 449 ft.-lbs. of torque. This Truck Edition Builder Series package combines a carbureted stroker-style small block engine with a 700R4 automatic transmission configured for 4WD-ready applications, providing improved acceleration, strong pulling power, and highway cruising capability.

Built around a high-performance small block platform, this 383 c.i. engine features a high-strength cast iron block, 4.030-inch bore, 3.750-inch stroke forged steel crankshaft, forged pistons, forged connecting rods, aluminum cylinder heads, hydraulic roller camshaft, 1-piece rear main seal, and 4-bolt main configuration. The carbureted fuel system provides a traditional setup that allows straightforward tuning and installation for many classic truck and custom applications.

The included 700R4 automatic transmission provides a durable overdrive solution for truck and street performance applications. The overdrive gear helps reduce engine RPM during highway driving while maintaining strong low-speed torque and drivability. The polished pulley kit adds a finished appearance for custom engine compartments.

The B383K4WD is designed for builders who want a complete engine and transmission package rather than sourcing individual drivetrain components separately. Verify transfer case compatibility, transmission mounting requirements, driveshaft dimensions, vehicle clearance, cooling system compatibility, fuel system requirements, and accessory clearance before installation.

Key Features:

• Part number B383K4WD
• BluePrint Engines GM Small Block compatible drivetrain package
• Includes 383 c.i. carbureted performance engine and 700R4 automatic transmission
• 4WD-ready configuration
• Rated at 405 horsepower
• Rated at 449 ft.-lbs. torque
• Truck Edition Builder Series configuration
• Carbureted engine setup
• Polished pulley kit included
• High-strength cast iron engine block
• 4.030-inch bore
• 3.750-inch stroke forged steel crankshaft
• Forged pistons
• Forged connecting rods
• Aluminum cylinder heads
• Hydraulic roller camshaft
• 1-piece rear main seal
• 4-bolt main block configuration
• Includes 700R4 automatic transmission package
• Designed for classic truck, street performance, and custom 4WD applications

Fitment Applications:

GM Small Block Compatible Truck Applications:

• Chevrolet C10 custom builds
• Chevrolet C20 custom builds
• Chevrolet C30 custom builds
• Chevrolet K10 4WD custom builds
• Chevrolet K20 4WD custom builds
• GMC truck custom builds
• Classic GM truck restorations
• Custom 4WD performance applications

Common Vehicle Applications:

• Chevrolet pickup trucks
• GMC pickup trucks
• Classic GM SUVs
• Custom street trucks
• Off-road inspired builds
• Engine swap applications requiring GM Small Block architecture

Fitment Note:
Verify transfer case compatibility, transmission crossmember requirements, driveshaft length, engine mount configuration, exhaust clearance, fuel system requirements, and vehicle-specific installation details before ordering.

Installation Notes:

• This listing is for a complete engine and 700R4 automatic transmission package.
• Verify all included components before installation.
• Vehicle-specific installation parts may be required depending on application.
• Confirm transfer case compatibility before installation on 4WD applications.
• Driveshaft modification or replacement may be required.
• Verify transmission mount and crossmember compatibility before installation.
• Confirm transmission cooler requirements and proper cooler line routing.
• Carbureted fuel systems require properly sized fuel delivery components matched to the application.
• Verify radiator clearance, cooling system requirements, exhaust fitment, and accessory clearance.
• Additional wiring may be required for vehicle-specific gauges, accessories, and charging systems.
• Professional installation is recommended for custom drivetrain conversions.
• Follow manufacturer break-in procedures and maintenance recommendations.
• Do not install until all vehicle compatibility requirements have been confirmed.