Manufactured from cast copper-lead, a process which yields approximately 20% greater fatigue strength than the alternate powdered metal process, referred to as sintering, which is used by the competition
H-Series bearings are narrowed for greater crankshaft fillet clearance
All H-Series bearings are made in Atlantic, Iowa USA
High crush for better seating and retention
Precision wall tolerance +/- . 00015" with strong, extra thin overlays to withstand high loading and resist flaking