19342 Norton 850 Commando Pistons & Ring Sets .40

19342 Norton 850cc Commando Pistons & Ring Sets .40

Pair of cast Hepolite Pistons for Norton Commando 850cc models (1973-77).

Supplied complete with Hepolite rings, gudgeon pins and circlips.

Size: +0.040″

Original Bore Size: 3.3015″ – 77mm
Compression Ratio: 8.5:1
Hepolite number: 19342

OEM: 19342/040, 06-4042