AJS/M TWIN ZUIGERS
!

650 TWIN PISTONS 1959

ZGPM726A
!
STD bore 72mm
Compression height 42,3mm
Compression 7,5:1

500CC TWIN PISTONS LATE TYPE 020

ZGPM6612a
!
Compression height 37.7mm
Only size available 020.

500cc TWIN PISTONS EARLY TYPE

ZGPM674D
!
Compression height 38mm.
STD bore 65.98mm
Weight each cpl. 384gr.
Price for a pair