One of the signature design features of traditional small- and big-block Mopar engines was the simple and effective shaft rocker arrangement. With few exceptions, these were minimalistic setups, ...

One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because, back in the day, you just dropped in a set of stock ...

So you’re ready to spring for new irons. Given the sheer cost of even a gently used set, it’s imperative the specs are dialed-in before throwing them in the bag. The last thing you want is a set of ...

As golfers continue to seek distance off the tee, many companies have responded by producing drivers with a stock shaft length of 45½ inches or, in some cases, longer. But is that always better?

Welcome to another edition of the Fully Equipped mailbag, an interactive GOLF.com series in which our resident dimplehead (a.k.a. Jonathan Wall, GOLF’s managing editor of equipment) fields your ...

Precision line shafts transmit torque across longer distances while maintaining mechanical synchronization. Here we review their basics, as well as speed considerations. Line shafts span long ...