cooling upgrade

  1. steve240

    87 R10 HD Radiator Upgrade

    I’m in the process of upgrading my radiator from the factory single core to the HD Dual core radiator, the only difference in the measurement is the thickness from 1.25 to 2.25, can I use my factory 2 piece shroud or do I need to upgrade to the 1 piece big block shroud? What size is factory...

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