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Save your LS Engine!
LS1 Rocker Arm w/ Upgraded Trunnions Installed
Whether you have a stock LS motor or a highly modified LS motor, replacing your rockers with a true roller bearing setup is highly recommended. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings.
LS1 Rocker Arm w/ Stock Trunnions
The stock bearings have a tenancy to fail. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings, which can send loose needles throughout the engine upon failure.
Hundreds of 5-Star Reviews!
-Verified Buyer
"Michigan Motorsports LS1 Rocker Arms were the perfect addition to my cam swap project. The upgraded trunnions give me peace of mind at high RPMs. Highly Recommend!"
Disgruntled buyer
Reviewed in the United States on June 17, 2021
Absolutely do not buy these they will ruin your motor just like mine and many others I’m not sure how this company gets away with it but these rocker arms are not OEM they are a cheap soft aftermarket rocker arm that will break on even a stock motor
GM
Reviewed in the United States on May 28, 2021
What a bunch of absolute trash garbage. Motors just now broke in with only 15 mi on it and these things are already failing way to go Michigan Motorsports
jhoffman
Reviewed in the United States on November 18, 2021
These worked well. I would buy them again
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