3mirrors Hydraulic Roller Lifters, Upgrade Hydraulic tappet Compatible with Chevy Buick GMC Pontiac GM LS1 LS2 LS3 LS6 LS7 LS9 LSX LQ4 LQ9 LY5 LY6

The 3mirrors Hydraulic Roller Lifters have garnered a mixed reception from customers, particularly among those who have installed them in GM engines. While some users appreciate the upgrade in performance these lifters provide, there are significant concerns regarding their reliability and quality. Several customers report issues with noise, particularly after the engine runs for some time, suggesting that the lifters may not be as quiet as expected once warmed up. More troubling are reports of catastrophic failures, with some users experiencing lifters that collapsed within mere hundreds of miles of use. This has led to multiple complaints about the subsequent financial and labor burdens of repairs. One customer highlighted a particularly unfortunate experience where four lifters arrived lacking essential components, which escalated into oil pressure complications and the need for professional intervention. While the product might deliver some initial performance benefits, the potential for serious reliability issues casts a shadow on its overall value. For those Considering the 3mirrors Hydraulic Roller Lifters, it's advisable to weigh these failures against the potential benefits and the added risks they bring to engine health. **