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Your cart is empty.BBK Power Plus 52 millimeter Throttle Body for GM 305/350 for all BBK 1985-1992 GM tuned port 305, 350 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP. It depends on the vehicle and application. All BBK performance power plus series throttle bodies are CNC machined from high quality 356 aluminum castings. This ensures perfect OEM quality and fit every time.
Jake Blues
Reviewed in the United States on October 14, 2023
If you use EGR, BBK moved the port from above and behind to bellow and in front of a throttle blade. This relocating does not allow the port to produce vacuum to operate the EGR valve.BBK has been notified of this but they claim they have CARB approval and that is that.Also they do a poor job of taping the holes for the IAC housing and the wrong size for the TPS. And they loctite the set screw for the idle stop that also has a jamb nut. So when setting it up, one would need to address this issue.I ended up purchasing a 3/8 bushing kit with ream off Amazon and fixed my stock TB,BBK= paper weight
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