Precision CR Honing Stones for Flawless Engine Performance
Upgrade your engine rebuilding process with Sunnen-replaced connecting rod CR honing stones. Designed for CR2, CR4, CR10, CR, and CR14 applications, these premium abrasive stones ensure ultra-smooth cylinder walls and extended engine life.
Premium Silicon Carbide Abrasives
High-grade silicon carbide delivers aggressive yet controlled material removal, perfect for achieving precise bore geometry and optimal surface finish. Durable bonding resists wear for consistent results.
Engineered for Professional Use
Ideal for automotive, marine, and industrial engine rebuilding. Perfect for high-volume machine shops and performance engine builders requiring repeatable accuracy.
Exact OEM Replacement
Directly replaces Sunnen CR-series stones, ensuring compatibility with leading honing machines. Trusted by professionals for reliability and superior finish quality.
Global Wholesale Advantage
Lowest online prices guaranteed. Bulk purchasing available for workshops and distributors. Fast shipping worldwide—your one-stop solution for precision engine tools.