Our GM Atlas 4200 to Chevy V8 Transmission Adapter Kit is finally here! After extensive development, we're proud to release the first in a series of performance kits designed around the powerful and often overlooked GM 4200 (Vortec/Atlas) inline-6 engine.
This adapter kit allows you to mate your 4200 engine to a wide range of GM V8 automatic transmissions with ease and reliability. Perfect for hot rods, off-road builds, drift cars, or any custom swap, this solution simplifies your drivetrain while keeping critical components easy to source and replace.
Key Features
CNC-machined adapter plate for precise fitment
Retains factory 4200 flexplate for easier maintenance and parts availability
Works with factory GM V8 torque converter
Adapter plate is pre-drilled and tapped for:
GM V8 Standard Pattern (SBC/BBC/LS)
GM LT Gen V Pattern
BOP V8 Pattern (Buick, Oldsmobile, Pontiac)
What’s Included
CNC-Machined Adapter Plate
Starter
Starter Adapter Mount
Longer Hollow Dowel Pins
Torque Converter Snout Adapter
All necessary hardware for installation
Note: Kit components are also available for individual purchase. Contact us for details.
Compatibility
Engine: GM 4200 (Vortec/Atlas I6)
Transmissions: Most GM V8 automatics including TH400, 4L60E, 4L80E, 6L80E, and more
Torque Converter: Works with factory GM V8 converter
Flexplate: Retains factory GM 4200 flexplate
Ready to unleash the potential of your GM 4200 swap? This adapter kit is the missing link to bring your build to life.
Order today and start your next project with confidence.
