Hawks Motorsports offers our clients this B400KTKX BluePrint Engines GM Small Block Compatible 400 c.i. Engine and TKX Manual Transmission 500 Horsepower Standard Edition Builder Series Polished Pulley Kit Carbureted for customers looking for a complete high-performance drivetrain package combining traditional carbureted small block power with a modern 5-speed manual transmission. This engine and transmission combination is designed for custom muscle car restorations, pro-touring builds, street performance vehicles, and classic GM applications requiring reliable horsepower with an engaging driving experience.

The B400KTKX features a 400 cubic inch GM Small Block compatible engine producing 500 horsepower and 500 ft.-lbs. of torque. This package combines a performance-built carbureted engine with a Tremec TKX manual transmission, offering strong acceleration, responsive throttle characteristics, and overdrive capability for improved highway cruising.

Built around a high-strength small block platform, this 400 c.i. engine features a 4.125-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 muscle car setup with straightforward tuning and installation for many custom applications.

The included TKX manual transmission provides a durable 5-speed overdrive solution for performance street use. The overdrive gear allows reduced engine RPM during highway driving while maintaining strong drivability and performance. The polished pulley kit provides a clean finished appearance for custom engine compartments.

The B400KTKX is designed for builders who want a complete engine and transmission package without sourcing individual drivetrain components separately. Verify vehicle fitment, clutch system requirements, transmission tunnel clearance, driveshaft dimensions, fuel system requirements, cooling system compatibility, and accessory clearance before installation.

Key Features:

• Part number B400KTKX
• BluePrint Engines GM Small Block compatible drivetrain package
• Includes 400 c.i. performance engine and TKX manual transmission
• Rated at 500 horsepower
• Rated at 500 ft.-lbs. torque
• Standard Edition Builder Series configuration
• Carbureted engine setup
• Polished pulley kit included
• High-strength cast iron engine block
• 4.125-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
• Performance street engine design
• Includes Tremec TKX 5-speed manual transmission package
• Overdrive manual transmission for improved highway cruising
• Designed for restoration, street performance, and pro-touring applications

Fitment Applications:

GM Small Block Compatible Applications:

• Chevrolet Small Block V8 custom engine builds
• Classic muscle car restorations
• Performance street vehicles
• Pro-touring vehicles
• Custom hot rods
• Engine swap applications requiring GM Small Block architecture

Common Vehicle Applications:

• Chevrolet Camaro custom builds
• Chevrolet Chevelle custom builds
• Chevrolet Nova custom builds
• Chevrolet Corvette custom builds
• Chevrolet C10 and truck performance builds
• Custom GM vehicles requiring a manual transmission performance drivetrain package

Fitment Note:
Verify engine compartment clearance, transmission tunnel clearance, crossmember requirements, driveshaft length, clutch system requirements, shifter location, exhaust clearance, and vehicle-specific installation details before ordering.

Installation Notes:

• This listing is for a complete engine and TKX manual transmission package.
• Verify all included components before installation.
• Vehicle-specific installation parts may be required depending on application.
• Driveshaft modification or replacement may be required.
• Verify transmission crossmember and transmission tunnel compatibility before installation.
• Confirm clutch pedal assembly, hydraulic clutch system requirements, and shifter location before installation.
• Carbureted fuel systems require properly sized fuel delivery components matched to the application.
• Verify radiator clearance, cooling system requirements, header fitment, and accessory clearance.
• Additional wiring may be required for vehicle-specific 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.