These Carrillo Pro‑H connecting rods are specified for Honda/Acura K20A engines and come with 3/8 WMC bolts. Presented as replacement or upgrade rods for K20A builds, the listing identifies the Pro‑H family and the bolt specification to match intended assembly practices. Use this set when assembling or rebuilding the K20A rotating assembly where these rod and bolt dimensions are required.
Carrillo Honda/Acura K20A Pro-H 3/8 WMC Bolt Connecting Rods