Wideband control unit (1.50” x 0.90” x 0.40”) with black plastic enclosure (1.75" X 1.15" X 0.60")

APSX D2 Wideband controller gauge with harness.

APSX D2 Wideband gauge and the Bosch LSU4.2 O2 sensor as a complete kit.

APSX G1 LED Display and D1 Wideband control unit (1.50” x 0.90” x 0.40”) with black plastic enclosure (1.75" X 1.15" X 0.60") which can be made water proof if epoxy filled.

APSX G1 LED AFR Display designed to use with APSX D1 AFR Controllers including D1-DIY board or D1 Wideband Controller. It has six optional display color and also power wires (3 wires).

D2 2 1/16" gauge assembly, pre-assembled output and oxygen sensor cables with connectors and Bosch LSU4.2 (part# 17014).
Same size B2 boost gauge color options are Blue, White, Orange, Green and Red.

New D1 is only 1.50” and 0.90” in size (1/5 of a credit card size) and much more cost effective than any other wideband controller in the market today. APSX G1 LED AFR display and D1 cable harness (sold separetely) can be added for convenience.