Mazda RX7 FD3S to 1JZ 2JZ Subframe Swap Kit

Built to order. Please allow around 1 week for your order to ship

Swap your Mazda RX7 FD with a JZ!

Full ground up swap kit

Only kit on the market that allows you to have engine adjustment front to rear as well as height up & down

This will allow you to run a stock hood if desired

All steel design

CNC cut & bent

Powder coated dark metallic gray

Built on a fixture to ensure fitment

OEM eccentric bolt hole design retains alignment adjustment

Steering shaft must be extended 2.5". We include a sleeve for you to do this by your local fabricator or send it to us and have it done

Pictures show a 1.5JZ installed (same height as a 2JZ)

*Disclaimer: The JZ series engines are taller than the stock 13B therefor the subframe is closer to the ground than the stock RX7 subframe. Subframe to ground clearance will vary with vehicle ride height and wheel sizes.*

Bump steer will require you to run a dropped style outer tie rod

Option 1: Full complete kit. (Subframe powder coated, engine mount brackets powder coated, polyurethane engine mounts, steering shaft sleeve, and all hardware)

Option 2: Full complete kit subframe uncoated. (Subframe in raw steel, engine mount brackets powder coated, polyurethane engine mounts, steering shaft sleeve, and all hardware)

Option 3: Partial kit. (Subframe powder coated and steering shaft sleeve)

Option 4: Bare subframe only. (Subframe only in bare steel)

Need a customized option? Email us at defworxshop@