Platinum Racing Products RB20 / RB25 / RB25-NEO / RB26 Twin Cam rocker cover dress-up bolt kit. Designed to be a direct fit to your Nissan RB Twin Cam engines, our PRP Billet Rocker Cover Dress-up Kits cam cover bolts are the perfect replacement for your original rocker cover bolts. Simply remove the original bolt and tired-looking rubber packed washer and replace it with our Billet 6000 series nicely anodized shanked dress up washer and bolt. This kit comes in our FULL anodized 12 colour range.