King offers rod bearings at 3 levels for use in OE Stock, High Performance, and Extreme Performance applications.
Engine sets are sold with King connecting rod bearings.
CP-Series, AM-Series & SI-Series Bearings are recommended for OE applications.
CP-Series bearings are copper-lead on steel (Tri-Metal) with a .001" copper-lead tin overplate.
AM-Series bearings consist of aluminum-copper-tin plus Alloy on high-strength steel (Bi-Metal).
SI-Series bearings are Silicon-Aluminum (Bi-Metal) designed for Aftermarket Gasoline or Diesel Engine Rebuilding & Performance Engines with OE Crankshafts.
King HP-Series bearings are recommended for street and strip high performance applications.
These Bi-Metal Silicon Aluminum bearings are designed for blown, turbocharged, NOS, and alcohol-fueled engines using aftermarket crankshafts.
Chamfered oil holes fit aftermarket cranks machined with a large radii at the edge of the journals.
Ideal for High Load, Short Duration Applications like Drag Racing, Tractor Pulling, Monster Trucks, etc.
King XP-Series bearings are for extreme performance in high-load capacity applications.
These Tri-Metal copper lead bearings are designed for cranks with large radii (narrow rod bearings) and feature enlarged, chamfered oil holes.
Ideal for High Load Circle Track & Endurance Applications.
The King part number Prefix/Suffix indicates bearing size.
NOTE: The term "Undersize" refers to a thicker bearing used when the Crankshaft has been turned down and is now undersized, not the bearing itself.
The term "Oversize" typically refers to a thinner bearing than stock to allow for increased clearance.
Select your application below: Chevy 327ci, Small Block/LS/400ci, Big Block; Chrysler 318/340/360ci Small Block, 426 Hemi, 440ci; Ford 289/302ci Small Block, 351 Windsor, 4.6L/5.4L SOHC/DOHC, 429/460ci Big Block; Pontiac.
