We offer the best price for the best quality Outboard Connecting Rod. Our brand “Royal Rods” is well accepted and trusted in worldwide market and we believe that Royal Rod's Outboard Connecting Rod is always your prime choice. Besides, here’s the specification of our product, the carburizing depth of our heat treatment is 0.8~1.2m/m and the hardness degree is HRC60-62. After passing through sub-zero treatment and honing, the roundness tester is within 0.003 and the surface tester Ra is within 0.2.