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93-95 Mazda Rx7 Antenna Adapter - $45

Developed in 2015 this precision machined 6061 aluminum adapter allows RX7 owners to replace their dated telescoping radio antenna with a modern stubby / S2000 antenna.

Discontinued

93-95 Mazda Rx7 V8 Swapped AC Line Kit

Available from 2013 - 2016. HalfSpec Engineering offered tailor made air conditioning kits for 93-95 RX7s with GM LS based V8 swaps. When the product was discontinued, all the build information was released publicly and the project continued in an open source format.

93-95 Mazda Rx7 LS1 Swapped AC Electronic Controller Kit

Available from 2013 - 2016. HalfSpec Engineering offered customized AC interfaces for 93-95 RX7s with LS1 V8 swaps. This product translated electrical signals between Mazda and GM systems allowing the car's AC system to be controlled by the GM PCM and actuated by the Mazda AC controls. When the product was discontinued, all the build information was released publicly and the project continued in an open source format.

93-95 Mazda Rx7 LSX Swapped AC Electronic Controller Kit

93-95 Mazda Rx7 V8 Swapped Fan Controller

Available in 2013. HalfSpec Engineering offered a powerful radiator fan interface designed to communicate with the GM PCM for intelligent fan control based on coolant temps and AC status. After being discontinued, this product never made it to a fully public open source status, but this was only due to lack of interest.

91-95 Toyota MR2 Color Changing Clock Filter

Available in 2007. HalfSpec Engineering developed acrylic filter replacements for the 2nd generation Toyota MR2 dashboard clock. Product was discontinued to refocus on formal education

91-95 Toyota MR2 Electronics LED conversion service

Available in 2007. HalfSpec Engineering provided a LED conversion service predominantly focused on 2nd generation Toyota MR2 interior electronics. This service was discontinued to refocus on formal education and converted to open source.