Manley Subaru WRX EJ205 STi EJ257 H Tuff Plus Connecting Rod (Single). When it comes to H Beam connecting rods, not all are created equal. Manley's H Beam Series stands out as a superior choice, offering exceptional quality at an economical price point. These connecting rods are meticulously crafted to meet the same high quality standards as our renowned Sportsmaster? and Pro Series rods. Attention to Detail: Every aspect, from final hone size to thread detail, bend, and twist, is treated with utmost seriousness to deliver connecting rods of the highest quality. Exceptional Performance: Manley's H Beam rods are designed to outperform others on the market, giving you a competitive advantage on the track. Flexible Bolt Options: Tailor your connecting rods to your specific requirements with a choice of ARP 8740 or ARP 2000 bolts. Exacting Tolerances: Our H Beam rods are finished to exacting tolerances to ensure precision and performance.