SpeedFactory Racing D16 H-Beam Connecting Rods - SF-02-102SpeedFactory Racing D16 Forged Steel H Beam Connecting Rods These rods are ideally suited to turbocharged D Series engine builds up to 700HP and offer high strength and quality at an affordable price. Our design is substantially lighter than other similar H beam rods on the market, requires very minimal clearancing at the bottom of the sleeves, and clears most factory D16 main girdles while remaining strong enough for almost any turbocharged Vitara