SRT-4 HEAVY DUTY CONNECTING RODS (7/16" BOLTS) The new HD Series H beam rod from BC is designed to handle the highest boost levels possible. Incorporating the beefy 7/16" ARP2000 fasteners the BC Heavy Duty rod is the most durable on the market. The HD Series rod also features a thicker beam design bringing the total weight to 675g. Rated over 300HP per cylinder. For more information visit http://www.briancrower.com/makes/dodge/srt4_rods.shtml