Manley guarantees tight tolerances where wrist pin and big end bores are honed to plus or minus .0002 in. tolerance and the wrist pins get a bronze alloy bushing for superior fatigue resistance. - Fully Heat Treated End to End; Shot Peened Stress Relieved and Magnafluxed - Manufactured from Solid Chrome Moly Steel 4340 - Weight Matched in set of plus or minus 1.5 grams - Rated for 600 horsepower at 8000 rpms - 3/8" ARP 2000 Rod Bolts are used in all Manley H-Beam Rods for the Subaru EJ series motors.
