The Nautilus V4Tec Twinning Bolt Kit is everything you need to bolt your bands around your cylinders and to your backplate. Marine grade steel resists rust from forming much faster than standard nuts and bolts from the hardware store. Pick your bolt length based on the size of your cylinders and amount of excess you need.
Cylinder Diameter: 140mm Bolt Length: 100mm of thread
Cylinder Diameter: 171mm Bolt Length: 120mm
Cylinder Diameter: 204mm Bolt Length: 140mm
Thread : M8 x 1,25
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