Suitable for (Engine Type: 688 / 689 / 810):
For Ducellier reference: 4045 - 4069 - 4074 - 4075 - 4077 - 4118 - 4119 - 4125 - 4143 - 4144 - 4146 - 4150 - 4158 - 4167 - 4168 - 4223 - 4224 - 4225 - 4341 - 4375 - 4387 - 4388 - 4462
Curve designed for unleaded octane fuel SP95 / SP98
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The sets are supplied with the following components:
Dimensions of the different parts:
Piston mounting direction: an arrow drawn perpendicular to the axis The piston ring gap is located on the top of the piston. It must be oriented in the direction of engine rotation during the connecting rod's downward stroke (see manufacturer's instructions or diagram).
It is essential to check the ring end gap of each piston ring before installing them on the pistons, according to the values given by the manufacturer or in the supplied instructions.
During installation, the ring end gap must be evenly distributed around the piston circumference at 120° intervals.
The sets are supplied with the following components:
Dimensions of the various parts:
Piston mounting direction: one arrow drawn perpendicular to the axis of the piston, figure on the top of the piston. It must be oriented in the direction of engine rotation during the connecting rod's downward stroke (see manufacturer's instructions or diagram).
It is essential to check the ring end gap of each piston ring before installing them on the pistons, according to the values given by the manufacturer or in the supplied instructions.
During installation, the ring end gap must be evenly distributed around the piston circumference at 120°.
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