The Kyosho 94078 SUS Turn Fin R&L is a replacement left and right fin set created for Jet Stream 600 boats. The SUS marking refers to a corrosion-resistant metal finish suitable for repeated exposure to water and humid conditions common in model boating.
These fins influence stern flow and provide a straightforward method to alter yaw and tracking characteristics on jet-style models. They occupy the same attachment points as the original parts and are intended to be a simple upgrade path for handling refinement.
Fitting guidance: confirm which piece is R and which is L before mounting, attach at the original mounting locations, and ensure adequate clearance from the jet outlet across full steering and throttle ranges.
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