super fast shipping
Ensure your engine's reliability under extreme stress with the Callies Ultra Rod Bolt. Designed specifically for SB Ultra connecting rods, these 7/16 x 1.450 fasteners provide the clamping force required for high-RPM racing applications. Constructed from premium H11 chromoly steel, these bolts offer superior tensile strength and fatigue resistance compared to standard hardware.
When building a high-performance engine, fastener integrity is non-negotiable. These bolts are engineered to maintain consistent torque values, preventing rod cap walk and ensuring your bearing clearances remain stable throughout the power band. Whether you are refreshing a drag engine or prepping for endurance racing, these bolts deliver the peace of mind that your rotating assembly is secured by industry-leading components. Trust your build to the precision of Callies engineering, available now at GGCRACING.
Ensure your engine's reliability under extreme stress with the Callies Ultra Rod Bolt. Designed specifically for SB Ultra connecting rods, these 7/16 x 1.450 fasteners provide the clamping force required for high-RPM racing applications. Constructed from premium H11 chromoly steel, these bolts offer superior tensile strength and fatigue resistance compared to standard hardware.
When building a high-performance engine, fastener integrity is non-negotiable. These bolts are engineered to maintain consistent torque values, preventing rod cap walk and ensuring your bearing clearances remain stable throughout the power band. Whether you are refreshing a drag engine or prepping for endurance racing, these bolts deliver the peace of mind that your rotating assembly is secured by industry-leading components. Trust your build to the precision of Callies engineering, available now at GGCRACING.
