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King Connecting Rod Bearings for Domestic Vehicles

King Engine Bearings
King Connecting Rod Bearings for Domestic Vehicles

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King offers 3 levels of rod bearings for use in OE Stock, High Performance, and Extreme Performance applications. King connecting rod bearings are sold in engine sets.

CP-Series, AM-Series & SI-Series Bearings:
King CP-Series, AM-Series & SI-Series bearings are recommended for OE applications. CP-Series beartings are copper-lead on steel (Tri-Metal) with a .001" copper-lead tin overplate. AM-Series bearings are aluminum-copper-tin plus Alloy on high-strength steel (Bi-Metal). SI-Series bearings are Silicon-Aluminum bearings (Bi-Metal) which are designed for Aftermarket Gasoline or Diesel Engine Rebuilding & Performance Engines with OE Crankshafts.

HP-Series Bearings:
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. These bearings have chamfered oil holes are fit aftermarket cranks machined with a large radii at the edge of the journals. Ideal for use in High Load, Short Duration Applications like Drag Racing, Tractor Pulling, Monster Trucks, etc.

XP-Series Bearings:
King XP-Series bearings are for extreme performance in high-load capacity applications. These Tri-Metal copper lead bearings are designed use on cranks with large radii (narrow rod bearings) and feature enlarged, chamfered oil holes. Ideal for use in High Load Circle Track & Endurance Applications.

What does the King part number Prefix/Suffix mean?

NOTE: The term "Undersize" refers to a thicker bearing which is used when the Crankshaft has been turned down and is now undersized, not the bearing itself. The term "Oversize" is typically a thinner bearing than stock to allow for increased clearance.

1 Product

Connecting Rod Bearing Set
  • Chevy Small Block, LS, 400ci (Narrowed, Dowel)
  • HP-Series
  • .010" Undersize
  • Was: $75.99
    Now: $68.99

    1 Product