TracTuff RBB/ RBC Water Neck Flange - V2
The newest version of the billet K series water neck flange for the K24A, K24A2, K24A4, K24A8, and K20Z3 engines/ cylinder heads. Ideal for extremely cramped FWD engine bays as well as any RWD swap that has at least 1-5/8" from the cylinder heads mounting surface and the firewall. The flange measures a total of 1.562".
Beautifully machined 6061-T6 aluminum flange that incorporates the largest port possible within the OEM gaskets footprint, a -16 ORB (O-Ring Boss) port for the outlet, and a 1/2" NPT heater port. The hardware includes four M8 stainless steel socket head bolts, a 90° water bypass hose fitting, a plug in the event you don't plan on connecting a bypass hose, and as of 8/1/20 a Genuine Honda gasket. You have the choice of either a 1.25" hose fitting or a -16 male flare for the upper radiator hose.
1.25" Hose Fitting
-16 Male Flare