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Titanium retainers at the RPM's that our LS motors run at are kind of a feel good mod. You feel good because you have them. In my humble opinion you won't be able to measure the performance difference with or without them. They could possibly increase available RPM range (controls valve float) by a couple of hundred RPM's assuming that the motor needs the extra RPM's to reach it's power range. Otherwise they are just cool to have.
Titanium retainers at the RPM's that our LS motors run at are kind of a feel good mod. You feel good because you have them. In my humble opinion you won't be able to measure the performance difference with or without them. They could possibly increase available RPM range (controls valve float) by a couple of hundred RPM's assuming that the motor needs the extra RPM's to reach it's power range. Otherwise they are just cool to have.