Hi Octane Racing - RB Head Drain Fitting
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HOW TO INSTALL HI OCTANE RACING RB HEAD DRAIN FITTING
![](https://www.hioctanedirect.com/assets/images/HOR-RB26oildrain%20Dom.jpg)
1. Remove Welch plug from cylinder head.
2. Apply a thin smear of sealer to the whole surface of the head drain fitting that slides into the cylinder head as shown below.
![](https://www.hioctanedirect.com/assets/images/HOR-RB26oildrain3%20Dom.jpg)
3. Slide the head drain fitting in place of the welsch plug then using a rubber mallet knock it all the way in.
4. Apply some blue thread lock to the supplied screw and nip up to hold head drain in place, do not overtighten.
![](https://www.hioctanedirect.com/assets/images/HOR-RB26oildrain2%20Dom.jpg)