Carrillo CR5190-8 Replacement Connecting Rod Bolt

The Carrillo CR5190-8 is a high-performance replacement connecting rod bolt from CP-Carrillo, one of the most trusted names in precision engine components. Designed for use with Carrillo connecting rods, this fastener delivers the exacting tolerances and clamping force required for high-revving, high-horsepower engine builds.

Key Features:

• Proprietary asymmetrical thread design for evenly distributed thread engagement, increasing clamp load and improving fastener fatigue life
• Manufactured to strict CP-Carrillo quality standards with consistent dimensional integrity
• Compatible with CP-Carrillo's recommended stretch-method installation for precise and repeatable preload
• Each bolt is designed based on a known yield load, with a recommended stretch value of 80% of yield load for optimal performance
• Can typically be reused during engine rebuilds when proper installation procedures are followed and the engine has not been over-revved
• Sold individually — order the correct quantity for your application

CP-Carrillo connecting rod bolts are the fastener of choice for professional engine builders across drag racing, road racing, oval track, and powersports applications. Proper installation using the stretch method — rather than torque alone — is strongly recommended to ensure accurate preload and maximum fastener longevity.