King Engine Bearings CR807HPN020X High Performance Connecting Rod Bearing Set

The King Engine Bearings CR807HPN020X is a high-performance connecting rod bearing set designed specifically for Chevrolet small block Gen III/IV LS engines including 4.8L, 5.3L, 5.7L, and 6.0L variants produced before 2014. This complete engine set features HP-Series bearings engineered for street and strip high-performance applications.

HP-Series Technology:

These bi-metal silicon aluminum bearings are specifically designed for extreme performance engines running forced induction (supercharged or turbocharged), nitrous oxide, or alcohol fuel. The bearings feature chamfered oil holes that properly fit aftermarket crankshafts machined with large radii at the journal edges. This makes them ideal for high-load, short-duration applications including drag racing, tractor pulling, and monster truck competition.

Key Specifications:

• Undersize specification: .020" (0.020 inch) for use with turned crankshafts
• Narrowed design for LS engine architecture
• Bi-metal silicon aluminum construction for superior durability
• Chamfered oil holes for improved oil flow with aftermarket cranks
• Complete connecting rod bearing set (full engine kit)

Important Note: The "undersize" designation refers to a thicker bearing used when the crankshaft has been turned down and is now undersized, not the bearing itself. This .020" undersize is designed for crankshafts that have been machined .020" undersize from standard dimensions.

King Engine Bearings offers three performance levels: CP/AM/SI-Series for OE applications, HP-Series for high-performance street and strip use, and XP-Series for extreme endurance racing. This HP-Series bearing set provides the optimal balance of performance and durability for modified LS engines in high-stress racing conditions.