Proflow 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 turbocharger or supplying extra coolant to the rear of the cylinder heads.
Includes high-temp Viton o-ring
Height = 27mm
If you purchase multiple items at a time and are overcharged for shipping we will refund any excess on shipping.
