Fits :
Type-4 engines
Specifications:
Valve lash: 0.15 mm
Valve lift: 12.878 mm
Duration: 288°
Duration @ 1.27 mm: 250°
Lobe center: 108°
Paruzzi number : 41652
Fits :
Type-4 engines
Specifications:
Valve lash: 0.15 mm
Valve lift: 10.744 mm
Duration: 273°
Duration @ 1.27 mm: 234°
Lobe center: 108°
Paruzzi number : 41650
Fits :
Type-4 engines
Specifications:
Valve lash: 0.15 mm
Valve lift: 11.049 mm
Duration: 290°
Duration @ 1.27 mm: 252°
Lobe center: 108°
Paruzzi number : 41651
Fits :
Type-1 engines until 7.1971 (except 25hp+30hp engines)
Type-3 engines until 7.1971
Specifications:
Valve lash: 0.15 mm
Valve lift: intake 8.484 mm - exhaust 7.976 mm
Duration: 250°
Duration @ 1.27 mm: 214°
Lobe center: 108°
Paruzzi number : 03787
Fits :
Type-4 engines with mechanical lifters
Specifications:
Valve lash: 0.15 mm
Valve lift: intake 9.982 mm - exhaust 9.347 mm
Duration: intake 247°- exhaust 242°
Duration @ 1.27 mm: intake 210°- exhaust 206°
Lobe center: 108°
Paruzzi number : 41629
Fits :
Type-4 engines with hydraulic lifters
Specifications:
Valve lift: intake 8.357 mm - exhaust 7.925 mm
Duration: intake 223°- exhaust 229°
Duration @ 1.27 mm: intake 192°- exhaust 195°
Lobe center: 108°
Paruzzi number : 41630