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Wednesday, 30 May 2018


Cylinder hold down nuts

Camarillo, California based performance and workshop specialist JIMS says that its new cylinder hold down nuts are an effective way to keep the cylinders in place when the heads are removed from the engine. 

This is particularly useful when installing the second cylinder over the piston and rings after the first cylinder has already been installed, or when rotating the crankshaft for other work. In either case there is risk - even a slight rocking of the cylinder can damage the base gasket or cause a cylinder to lift entirely off the cases.
These hold down nuts help prevent that risk of movement and are machined with different threads on each end to accommodate either the Milwaukee-Eight or the Twin Cam.