Our water neck spacer for the SB & BB Chev engine adds 2x 3/8" NPT auxillary ports which can be used to add coolant lines or sensors, including a water feed for your turbocahrger or supplying extra coolant to the rear of the cylinder heads.

  • Includes high-temp Viton o-ring
  • Height = 27mm

Our water neck spacer for the SB & BB Chev engine adds 2x 3/8" NPT auxillary ports which can be used to add coolant lines or sensors, including a water feed for your turbocahrger or supplying extra coolant to the rear of the cylinder heads.

  • Includes high-temp Viton o-ring
  • Height = 27mm