CV/CK MASTER HOLDER SET (3.0 - 4.12 INCH) FOR 3000 LARGE HEAD the AK20 mandrel offers exceptional

the AK20 mandrel offers exceptional accuracy and surface finish

Engineered for use with Sunnen honing systems

and pilots

The AG-300 and AG-400 are the only gages specifically designed for both clearance and press type pin fits and the journal end of connecting rods

and other critical parts

CV/CK MASTER HOLDER SET (3.0 - 4.12 INCH) FOR 3000 LARGE HEAD the AK20 mandrel offers exceptionalPrecision engineered for maximum performance, Sunnen CV CK tooling delivers unmatched accuracy and durability for cylinder honing applications. Designed for use with Sunnen CV and CK honing systems, this tooling ensures fast, consistent stock removal and superior surface finishes. Ideal for automotive and high performance engine builders, Sunnen CV CK tooling is the trusted choice for achieving optimal bore geometry and repeatable results every time.