Hawks Motorsports offers our clients this B427K700 BluePrint Engines GM Small Block Compatible 427 c.i. Engine and 700R4 Automatic Transmission 540 Horsepower Standard Edition Builder Series Polished Pulley Kit Carbureted for customers looking for a complete high-performance drivetrain package combining big cubic inch small block power with the convenience of a modern overdrive automatic transmission. This engine and transmission combination is designed for classic muscle car restorations, custom street builds, pro-touring vehicles, and performance applications requiring strong horsepower with dependable drivability.

The B427K700 features a 427 cubic inch GM Small Block compatible engine producing 540 horsepower and 535 ft.-lbs. of torque. This carbureted performance package combines a large-displacement small block engine with a 700R4 automatic transmission, delivering strong acceleration while providing overdrive capability for improved highway cruising.

Built around a high-performance small block platform, this 427 c.i. engine features a high-strength cast iron block, 4.125-inch bore, 4.000-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 maintains a traditional muscle car setup while allowing straightforward tuning and installation for many custom applications.

The included 700R4 automatic transmission provides a durable overdrive solution for street performance vehicles. The overdrive gear helps lower engine RPM during highway driving while maintaining responsive performance. The polished pulley kit adds a clean, finished appearance for engine compartments where both performance and presentation matter.

The B427K700 is designed for builders who want a complete engine and transmission package instead of sourcing individual drivetrain components separately. Verify vehicle fitment, transmission tunnel clearance, driveshaft requirements, transmission crossmember compatibility, cooling system requirements, fuel system needs, and accessory clearance before installation.

Key Features:

• Part number B427K700
• BluePrint Engines GM Small Block compatible drivetrain package
• Includes 427 c.i. performance engine and 700R4 automatic transmission
• Rated at 540 horsepower
• Rated at 535 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
• 4.000-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 700R4 automatic transmission package
• Overdrive automatic 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 an automatic overdrive drivetrain package

Fitment Note:
Verify engine compartment clearance, transmission tunnel clearance, crossmember requirements, driveshaft length, shifter location, 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.
• 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 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.