228r for TBSS
228/228 588/588
what will my springs take?
should i change push rods
should i change spring retains?
Thanks
D
Stronger Push Rods would help as well.
A torque converter would also be a good idea for that cam.
Also, check in the Trailblazer section for other drive-line upgrades you may need.
There's also retuning the ECM, especially if you pair the cam & spring upgrade with a set of headers and/or a cold air kit.
Let us know if we can help!

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