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The factory bearings are a known failure on the LS Engines. When they fail they send small bearings through the entire engine. The upgraded trunions also give more stability at higher RPM. LS1 LS2 LS3 LS6 L99, LS4, LS7, LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.