OS Giken is Japanese aftermarket royalty. The company has been producing performance parts like clutches and limited-slip differentials in the city of Okayama since 1973. If you’re in need of some ...

Could the small-block Chevy be the most popular engine-build that HOT ROD has covered over its 77-year history? We don’t have a running tally, but in our expert guesstimate, that is probably true. So ...

Dive into a deep conversation with Ed Smith as he shares race engine building stories, hard-earned secrets, and lessons from years of high-performance work. This video explores the mindset, precision, ...