Box content: D2 52mm (2") gauge.

Box content: D2 52mm (2") gauge assembly, pre-assembled output and oxygen sensor cables with connectors and Bosch LSU4.2 (part# 17014) and weld-in BUNG.

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).

In the package:
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 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.