LS Gen III 4.8/5.3/5.7/6.0 Main Bearings 1997-2007 King LS1RM

King main bearing set for the LS Gen III 4.8/5.3/5.7/6.0 (1997-2007). Listed for one application: LS Gen III 4.8/5.3/5.7/6.0 engines, 1997-2007, in Chevrolet, GMC, Pontiac, Cadillac applications. Confirm your engine code and year against this listing before ordering.

What it does

Main bearings carry the crankshaft in the block. Low oil pressure, debris or detonation wipe them, and a spun main is an engine-out event. A new set at the correct size (standard or undersize) is part of every rebuild.

Fits

• Chevrolet vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• GMC vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• Pontiac vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• Cadillac vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007

Fixes

• a deep knock that follows engine load
• low hot oil pressure with a worn pump ruled out
• any crank-out rebuild

What's included

• a full main bearing set with thrust bearing at the stated size

Specifications

• Brand: King
• Part number: LS1RM
• Shipping weight: 1.5 lb
• Condition: new
• Product type: Main Bearings

Cross-reference

Replaces or interchanges with King LS1RM for the LS Gen III 4.8/5.3/5.7/6.0. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.