TracTuff RBC/ RBB RWD Billet Water Neck
Our newest version of our Z3 Billet Water Neck is just for you guys that are swapping K20Z3's and K24A2's into rear wheel drive chassis!
CNC machined from US Milled 6061-T6 aluminum with a -16 ORB outlet and a 1/2" NPT accessory port, and plenty of space to add a sensor or two. Overall width from cylinder head mounting flange to the top of the water neck measures a measly 1.562"!!