Manley Forced Induction Pro Series I Beam connecting rods for the Ford 4.6L and Ford 5.0L DOHC "Coyote" V8. Manley Pro Series I Beam rods are forged from 4340 aircraft quality vacuum degassed material, Fully machined to produce the lightest and strongest rod possible, Shot peened after machining to Mil specs and 100% magnafluxed, Cap fasteners are 7/16 ARP 625+ cap screws. Flywheel horsepower range for for the Standard Weight rod is 900+ HP Oval Track and 1200+ HP Drag Race Horsepower range could be exceeded depending upon rpm, stroke, piston weight and power adders