CV MAIN AND CENTERING GUIDES FOR 3000 STANDARD HEAD the AAY20 mandrel is designed

the AAY20 mandrel is designed to work seamlessly with Sunnen's honing machines for optimal performance

Built with Sunnen’s renowned quality and durability

the ASC streamlines your honing process with minimal operator intervention—maximizing productivity and quality in every part

it is a reliable choice for honing excellence

CV MAIN AND CENTERING GUIDES FOR 3000 STANDARD HEAD the AAY20 mandrel is designedThe Sunnen CV tooling delivers unmatched precision and consistency for engine builders and machinists demanding top tier results. Engineered for high performance cylinder honing, it ensures optimal surface finish, straightness, and size control with ease. Whether you are working on performance engines or rebuilding stock powertrains, the CV tooling offers fast setup, intuitive operation, and repeatable accuracymaking it the trusted choice in shops