Carrillo Pro-H connecting rods are listed for Nissan/Infiniti/Datsun VQ37HR engines and specified with 3/8 WMC bolts in the catalog entry. Presented as Pro-H 6-cylinder rods, this entry identifies the rods as a direct replacement connecting rod option for VQ37HR applications with the bolt size noted, without adding material or performance claims beyond the source-provided details.
Carrillo Nissan/Infiniti/Datsun VQ37HR Pro-H 3/8 WMC Bolt Connecting Rods