Manley H-Beam rods are made from 4340 forgings and weight matched to within +/-1.5 grams. The H-Tuff series includes the heavier duty h-beam than the standard Manley h-beam and combines them with ARP 2000 rod bolts. This kit will fit the stock sized wrist pins of 22.5 mm for the Mazdaspeed MZR DISI engines.
Manley Performance Limited Warranty