289 4 Mains have been align honed Dura Bond cam bearings installed 717Hp. The engine had 200K miles on it and the cam bearing clearances are as loose as 0.006'. Introduced in 1997 by General Motors as the Gen III Small-Block, the LS name. I understand that cam bearings are finished in place in these motors by GM. This is intended to be a stock rebuild with upgrades for durability where possible. 0004 in., giving the customer increased system design flexibility.įor 2003 and up engines, 2nd Design Positions 1 And 5 Housing Bore are 2.3460"/2. Hello, I am beginning a rebuild of a 2008 6.2L LS engine. GMC LSX Block Engine Camshaft Bearing Set Teflon Coated Housing Bore Length Max wall. Dura-Bond took their high performance bearings and Teflon coated them with a secondary dry film lubricant for added protection against oil starvation. The centerless ground OD, centerless bored ID results in wall variations of. The seamless, 100% machined surface design provides the tightest tolerances in the industry. Babbitt's superior embeddability, conformability, and anti-seizure characteristics have proven to reduce engine failures that harder bearing materials can cause. Economical Dura-Bond standard cam bearings feature round babbit construction for low friction, outstanding conformability, and added embedability. King Rod and Main Bearing set for LS engines including 4.8L, 5.3L, 6.0L V8. DURABOND CAM BEARINGS - LS - HIGH PERFORMANCE - CHP25. This item: Dura-Bond CH-10 Camshaft Bearing Set for Chevy LS1. Lead based babbitt provides ideal properties for nearly all engine applications. Be advised: Image may differ from actual product. Seamless construction makes installation easy, eliminating breakage and bearing surface interruptions. Dura-bond CH-23 Camshaft Bearing Set for 2003-2009 LS Enginesĭura-Bond bimetal bearings are constructed of seamless steel tube with a thin layer of lead based babbitt material.