These colour coded adaptor inserts screw into Proflow's billet oil bypass adaptors which allows them to suit various cars.

Sizes:

  • M18 x 1.50
  • M20 x 1.50
  • M22 x 1.50
  • 3/4''-16
  • 13/16''-16

These colour coded adaptor inserts screw into Proflow's billet oil bypass adaptors which allows them to suit various cars.

Sizes:

  • M18 x 1.50
  • M20 x 1.50
  • M22 x 1.50
  • 3/4''-16
  • 13/16''-16