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Reviewed in the United States on February 11, 2025
10min into break in dropped a lobe
Jacqueline Morici
Reviewed in the United States on March 19, 2024
After following manufactures installation and break in process, it didnt take long (15 mins) before the chevy 350 begain running very rough. After extensive trouble shooting, it was determined to be related to the valve train. After removing and disassmbling the engine, the damge was done. Five of the lifters wer ground down and dished which also damaged the camshaft. It appears the manufacturer didnt properly harden either the lifters or the camshaft. The end result was now the cam and lifters were junk along with EVERY bearing in my new motor.
Kyla
Reviewed in the United States on February 24, 2024
we are upgrading our 89 gmc, this camshaft is made with crap metals. as the lifters were adjusted, it dug in to the metal and flattened it. lifters are broken and mushroomed up inside the engine. this is the worst thing i have EVER got off amazon. oil needs to be changed due to all the shards of metal, ect. do not buy.
louis
Reviewed in the United States on October 15, 2020
Lifter failed after 3 days of usage and cam ate the lifter
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