This is an RC-scale replacement set of pins and C-clips intended for C-clip type double-joint universal (W/J) assemblies used in on-road BD7-style drivetrains. The parts act as mechanical fasteners that secure the double-joint universal while permitting rotation and preventing axial movement, making them small but essential items for routine service and repair.
Compatibility is limited to the listed chassis variants; fit these parts only where a C-clip style joint is specified. When removing or installing the C-clip and pin, use suitable fine pliers and avoid deforming the clip or bending the pin, since damage can introduce driveline play.
Inspect these fasteners whenever you investigate vibration, binding, or endplay at the universal joint. Replacing worn pins or weakened C-clips preserves drivetrain alignment and consistent wheel response.
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