Cylinder Drilling & Fines for oversize pistons ((0,25, 0,50, 0,75))
Ø 89 + 90 mm.The part to be machined (cylinder block) must be loaded. (Price does not include new cylinder block)
Set = 2 pieces.Reinforced valve springs for Honda GX270 to 390. The original springs are replaced completely.We recommend these springs for engines equipped with large wedge-proof valves and a Tunign Camshaft. No additional inner springs are required.
Conversion crankshaft to centrifugal lubrication for Honda GX270-390.
Parts to be machined (crankshaft and balance shaft) must be returned (price does not include a new crankshaft).