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. Weight matched to +/- 1.5 grams. Perfectly round big and small ends. Bend and twist is tightly controlled. Cap fasteners are 7/16" ARP2000 cap screws.

H-TUFF SERIES RODS

• Manufactured from 4340 forgings
• Heat treated, stress relieved, shot peened and 100% magnafluxed
• Weight matched sets + 1.5 grams
• Cap fasteners are premium 7/16" ARP 2000 cap screws
• Flywheel horsepower range for these rods: 1,000 HP (Oval Track), 1,200+ HP (Drag Race)
• Bridges the gap between our standard, proven H-Beams and top of the line, best of the best Pro Series I-Beam rods
• H-Tuff delivers a stronger rod with greater safety margin to handle elevated boost and higher power levels for a modest price premium over standard H-Beams
• H-Tuff design incorporates wider beam and increased cross-sectional thickness in critical areas along with a ribbed pin surround