Drag Illustrated Issue 129, January / February 2018 | Page 39

High RPM Reliability ARP Fasteners Provide The Extra Margin of Safety You Need To Go 10,000+ RPM With Total Confidence Bo Butner GreG anderson Jason Line The potent Pro Stockers from KB Racing (2017 NHRA World Champion Bo Butner, Greg Anderson and Jason Line) are prime examples of ARP fastener technology in action. ARP congratulates Ken Black and the entire KB Racing team on their many accomplishments. There are a number of ARP fasteners that are very important in ensuring optimum reliability under high RPM stress. They include: Rod Bolts Every engine revolution puts a strain on the rod bolts and it pays to employ only the best. ARP’s premium grade replacement rod bolts are available for virtually all aftermarket and OEM rods. Installing them using a stretch gauge and monitoring bolt length during rebuilds is very important, too. Damper Bolts Not only do these extra-strong bolts provide the necessary security for high RPM operation, but their unique tall 12-point head design facilitates turning the engine over by hand for setting valve lash, etc. and not worry about rounding the bolts (as common with OEM fasteners). Flywheel/Flexplate Bolts Inside the bellhousing is another important area of concern. ARP’s specially designed flywheel and flexplate bolts have a large 12-point head for optimum load distribution and have improved register. At 190,0