Description

Proper rod bearing clearance is critical to engine longevity—too tight and you risk scuffing, too loose and you invite catastrophic failure. The CB-634P-10 delivers precise 0.010″ undersize geometry, ensuring optimal oil film thickness and load distribution in your Small Block Ford. Whether you’re rebuilding after a hard season or assembling a fresh long-block, this bearing provides the durability and consistency that separates reliable engines from damaged ones.