Stock replacement rebuild kit
Start here when you want a basic stock-style LS refresh without choosing every individual part.
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Stock Kit
Build Your Own
Build Your Own
Build Your Own
Bearings
1997-2003 1st Design
2007+ 2nd Design
Rebuild
Choose the rebuild path before shopping parts.
Use the stock kit for a simple refresh, or open the build-your-own checklist for the engine you are rebuilding. The upgraded individual listings live inside those checklists so the parts stay organized by engine.
4.8 LS upgraded rebuild checklist
Open the 4.8 LR4 checklist for rebuild parts, sizing notes, and upgraded component choices.
Open 4.8 checklist5.3 LS upgraded rebuild checklist
Open the 5.3 checklist for the upgraded parts, gaskets, hardware, oiling parts, and valvetrain refresh items.
Open 5.3 checklist6.0 LS upgraded rebuild checklist
Open the 6.0 checklist for engine-specific rings, gasket planning, bearings, and upgraded rebuild parts.
Open 6.0 checklistKing rod and main bearing set
Choose stock size for an uncut crankshaft, or open the undersize options if the crank has been machined. Verify crank journal size before ordering.
Dura-Bond CHP-10T LS cam bearing set
Fits 1997-2003 1st Design GM LS blocks where cam bearing positions 1 and 5 housing bores measure 2.3260"-2.3280". Confirm block year, casting, and bore measurement before ordering.
View itemCH-25 LS cam bearing set
Fits 2007 and newer GM LS blocks where positions 1 and 5 measure 2.3460"-2.3480". Certain 2003-2006 LS blocks that call for CH-23 may also use CHP-25 or CH-25 style bearings after measurement.
View itemOur Promise
Quality LS parts at a good price.
Champ Motorsports is built around dependable parts, clear LS fitment guidance, and fair pricing. Every recommendation is organized to make LS engine building easier to plan and easier to order correctly.
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