Lucas replacement, can also be used f. 40 W and 60W Measurements see last picture please. If you need the cable ends/bullet connectors suitable for the regulator TC20*4 Regulator adjustment instructions are includedpositive earthPlease look at all pictures
Ariel Piston Red Hunter 500cc +020 = 82.3 mm
STD = 81,8 mm
Piston Clearence 0.12mm or 45thou
JP Piston
OHV Red Hunter
VG, VH, VCH, VHA
Compression ratio 6.3:1
incl. piston rings, gudgeon pin and circlips
Measurements see last pict. and techn. data please