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

More From This Category

CVR Thermostat Housing, Thermostat Housing - For Holden LS - Black

CVR Thermostat Housing, Thermostat Housing - For Holden LS - Black

$197.00

CVR Thermostat Housing - For Chevrolet For Holden LS - 90 Swivel - 1-1/2' Hose - Black

CVR Thermostat Housing - For Chevrolet For Holden LS - 90 Swivel - 1-1/2' Hose - Black

$181.23

Proform , Ford Engine Water Neck Chrome O-Ring Style, Installs in place of OEM parts

Proform , Ford Engine Water Neck Chrome O-Ring Style, Installs in place of OEM parts

$33.00