Spherical thrust couplers for sailboats

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SigmaDrive spherical shaft couplings are an easy way to reduce engine noise and vibration on a sailboat. With a SigmaDrive installed the onboard comfort...

Struggling with shaft alignment? Check out our new eBook!!

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If you are struggling with shaft alignment, this eBook is for you! Did you know that engine mounts are critical to boats? Did you...