Subaru/Toyota 54-Pin Engine Bulkhead Connector Back Shell including LSU4

including LSU4

These are a lower-cost option aimed at the enthusiast building a harness using less expensive materials

OEM Knock Sensor Connector available if using stock ECU

with a textured black finish

Knock Sensor: Bosch Wideband (OEM Available)

Subaru/Toyota 54-Pin Engine Bulkhead Connector Back Shell including LSU4Perfect for the DIY wire harness builder as well as the professional wiring harness fabricator looking for a cost effective way to terminate their Subaru Toyota DIY harness project. This is a two piece design that screws together using four screws. These are a custom one off design that we use internally on our motorsports grade harnesses for 08+ STIs. It can terminate the connector with a nice, clean look as well as protecting the wires from possible