Builders Prepared motors are COMPLETELY different than the "MC Boxstock" motor that we all run. They have billet flywheels, rods and are alot more money
No one is saying they're similar. To convert one over to BP doesn't cost a lot of money.
Billet Flywheel $100
Billet Connecting Rod $60
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$160
These items are a one time buy; meaning that you can transfer these items to another motor if you want to.