K1 Technologies produces high quality high performance and auto racing engine parts. K1 Technologies sole focus is performance crankshafts and connecting rods. All K1 products are designed for superior performance, strength and durability. K1 H beam rods are all forged from 4340 grade steel and include ARP 8740 or ARP2000 bolts. All H beam connecting rods are bushed for use with full floating piston pins unless noted otherwise. K1 Technologies also offers several I beam connecting rod sets which are made from 4340 grade steel. The I beam rods are available in both press fit pin models and bronze bushed models for use with full floating piston pins.