Wideband AFR gauges and sensor kits: what to fit and why
How to pick a wideband AFR gauge or O2 sensor kit for a turbo build, with AEM, Link and Haltech options held in NZ. Read this, then choose your wideband.
Water/methanol injection: what it does and how to set it up
Water/methanol injection explained for NZ turbo builds: what AEM V3 kits do, how to size and plumb one, and the failsafe rule. Order online, we ship fast.

