Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H-Beams on the market. Bend and twist is tightly controlled. Weight matched to +/- 1.5 grams. Cap fasteners are 3/8" ARP 2000 for the H-Beam and H-Tuff and 3/8" ARP Custom Age 625+ for the H-Tuff Plus.
H-Tuff design incorporates wider beam and increased cross-sectional thickness in critical areas
H-Tuff delivers a stronger rod with greater safety margin to handle high-powered applications
The finest quality and tightest tolerances customers expect from every set of Manley rods
ARP 2000 bolts standard with every set of Manley connecting rods
ARP 625+ bolts upgrade available when you choose the H-Tuff Plus
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