TracTuff PRB/ PRC Water Neck Flange – V2

$149.95

ETA 3/20/26

Outlet Fitting
Sensor Port
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Description

The V2 billet K series water neck flange is a spin-off of the V1 flange. Intended for the rear wheel drive (RWD) swap market, but just as popular in the FWD applications that need an alternate hose routing. Very popular in many of my fabricated filler necks, fill pots, and swirl pots for the K20A, K20A2, K20A3, K20Z1, and K24A1 cylinder heads.

Beautifully machined billet 6061-T6 flange which incorporates the largest passage possible within the OEM gasket’s footprint, a -8 ORB water bypass port, and a machined o-ring groove for the OEM gasket. You can choose to add a sensor port directly to the top of the flange (near the logo) or the side of the flange (under the outlet).

The hardware kit includes two M6 socket head bolts, a water bypass hose fitting, a clamp, and a Genuine Honda gasket. You can choose to add an outlet fitting (shown below).

 

1.25″ Hose Fitting

-16 Male Flare

Additional information

Weight 1 lbs
Dimensions 6 × 6 × 6 in