Hone Heads

JB Hone Heads are designed to offer fast, accurate honing of cylinders for nearly any engine.

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Cylinder Hone Stones

High quality abrasives mated with precision made carriers. JB 'SN' series hone stones offer high quality, economical alternatives to brand name hone stones. JB stones suit Sunnen AN and equivelant hone heads.

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Cylinder Chamfering Mandrels & Cones

Chamfering the top edges of the cylinder walls after boring or honing greatly eases the installation of pistons and prevents ring damage during assembly. These tools offer a practical and economical means of achieving the desired chamfer.

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Small Diameter Cylinder Hone Heads

Effeciemme hone heads are designed and manufactured based on years of experience in the Italian motorcycle and go-karting industries. Effeciemme hones offer unparalleled accuracy for all small diameter honing operations.



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Small Diameter Cylinder Hone Stones

High quality abrasives exclusively for use with Effeciemme small diameter hone heads.



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