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· Venerated Member RIP
2,918 Posts
The 350/260hp motor is a GM Goodwrench motor, the 350/290hp is a GM Performance Products motor. IIRC - my balancer was under $150 from GM, the one recommended in all the specs & paperwork that came from GM with the new motor.

Goodwrench is a great motor, wasn't sure whether you are looking for more HP than the 260...
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