Analog Air Fuel Ratio D70140

• 2 5/8" diameter
• Will work with your stock oxygen sensor or purchase sensor S8942 separately.
• 270 degree, full sweep, stepper motor movement.
• Industrial servo technology and buffer circuit for steady readings in all conditions.
• Accurately displays 14.7: 1 Stoichiometric Air: Fuel Ratio.
• Broad range of reference numbers for easy accurate tuning.
• Programmable output for "lean" condition warning. Must purchase R1000 output relay kit for use above 2 amps.
• Recalls richest reading achieved.
• LED through-dial lighting for excellent nighttime visibility and great looks.
• Available in Black, White or Silver face with Black, White or Silver bezel. Not available in Black face with Black bezel or White face with White bezel.
• $109.95