Aquaplane alloy cylinder superhead for 100E engine, weight approx 3.5kg. Compression ratio is approx 8 to 1. Please note that the main face of these heads feature a milled finish but will require final skimming by the customer to their specification. Skimming can be arranged at an additional charge.
Torque data for tightening cylinder head nuts:
8hp and 10hp -30 to 35 lb./ft.- 40 to 47 Nm
100E - 65 to 70 lb./ft - 88 to 94 Nm
105E/123E - 65 to 70 lb./ft- 88 to 94 Nm