GZ-31-95 A/3 – “Quick fit” gas feed, Bosh injector – Ø14 / Ø5 – 4 orings – 3 cilinders

GZ-11-95 A/3 – “Quick fit” gas feed, Bosh injector – Ø14 / Ø6 – 4 orings – 3 cilinders

GZ-31-90 – ‘Quick fit’ gas feed, japan injector – Ø14 / Ø5 – 2 orings

GZ-11-95 – ‘Quick fit’ gas feed – Ø14 / Ø6 – 4 orings – 40 mm

GZ-11-90 – ‘Quick fit’ gas feed, japan injector – Ø14 / Ø6 – 2 orings

GZ-31-95 – ‘Quick fit’ gas feed – Ø14 / Ø5 – 4 orings – 40 mm