Review on High Performance DEFEND INDUST Hydraulic Roller Lifters & 4 Guides Set16 LS7 LS2 16 for GM Chevy 5.3 5.7 6.0L 12499225 HL124 by Timothy Bobbert
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Very noticeable intermittent stroke noise when starting. Constant noise at warm idle and when engine speed is increased to around 2000 rpm. All of this within days of installation - the jacks were even soaked in fresh oil overnight prior to installation. Perfect for the engine but very unhappy with the performance. I saw a few bad reviews but assumed this was due to user error - it's not. Now I will buy from another source and have to pay for all new gaskets and fluids to redo the job.
- Replacement parts
- Hard to tell
New products
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