BoostLine Subaru EJ20/EJ25 Turbo 130.5mm ARP 625+ - Connecting Rod Single SB5137-905S+

BoostLine connecting rods are designed and built for the stressful demands of high-powered, forced induction and nitrous engines. Whether you?re building a boosted K-series, a track-ready Volkswagen, or a sneaky SRT4, BoostLine connecting rods have been proven in import and domestic four-cylinder engines confidently pushing 1,000HP+. BoostLine rods are forged from premium 4340 steel and utilize a patented, three-pocket design, maximizing strength while minimizing rotating weight. This revolutionary design dramatically improves each rods? big-end stability under tensile loads and provides a 60% improvement in bending strength and 20% stress reduction in tension compared to H-beam designs, benefits crucial to durability in four-digit-horsepower engines. Each rod is equipped standard with industry leading ARP hardware and is subject to a 26-point, CMM inspection with all critical dimensions provided via an inspection card included with every set of rods. BoostLine connecting rods are the complete package for every performance build, from powerful projects to all-out race cars.