Quick view Haltech Haltech Elite 1500 ECU Nissan Silvia S14 S1 "ZENKI" Plug 'n' Play Adaptor Harness Kit OVERVIEW If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug'n'Play Adaptor Kits. These adaptors plug directly into your Haltech ECU... $1,735.00 Add to Cart
