Part Number: 10-162950-12 (Electronic tachometer) Part Number: 10-162950-13 (Kit electronic tach) Part Number: 10-162950-14 (Electronic tachometer) Part Number: 10-162950-15 (Electronic tachometer) Part Number: 10-162950-16 (Electronic tachometer) Part Number: 10-162950-21 (Electronic tachometer) Part Number: 10-162950-22 (Electronic tachometer) Part Number: 10-162950-3 (Electronic tachometer) Part Number: 10-162950-6 (Electronic tachometer) Part Number: 10-162950-7 (Electronic tachometer) Part Number: 10-162950-8 (Electronic tachometer) Part Number: 10-162950-9 (Electronic tachometer) Part Number: 10-162955-1 (Indicator tach) Part Number: 10-162955-27 (Tach ind,dual electric cessna 33)