JLM AMP kit PCB
AMP kit built thread here
AMP PCB Measures 3" (76.2mm) x 1.5" (38.1mm).
Mounting holes 2.02" (51.31mm) apart and are in 0.49” (12.45mm) from edge and down 0.51” (12.95mm).
Allow 1” (25.4mm) above PCB height and at least 0.2” (5.08mm) under PCB