Blox Racing Valve Springs for B18A-B / B20 (1.8L-2.0L DOHC) - BXPT-10302 0.75" NRG Horn Button

NRG Horn Button

Precision Die-Cast Aluminum

Specifically designed by GrimmSpeed™ to work safely with the factory Mazda ECU (requires tuning) and to reliably handle the vibrations and temperatures of your engine bay

Important: May need to modify intercooler bracket

Blox Racing Valve Springs for B18A-B / B20 (1.8L-2.0L DOHC) - BXPT-10302 0.75" NRG Horn ButtonBlox Racing Valve Springs for B18A B B20 (1. 8L 2. 0L DOHC) BLOX Racing valve springs are wound using super clean, chrome silicone alloy. These valve springs are designed and engineered for both high performance street driving and all out racing conditions. Each set provides maximum lift while preventing valve float and helps counter the effects of spring surge. These are perfect for naturally aspirated and forced induction engines. Easy installation,