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This port is recommended if you intend to spin the supercharger at 13
9L Whipple Supercharger
1200+whp capable supercharger
***Supercharger whine
2020+ GT500 Auxiliary Idler made by Griptec
Kong Performance CNC Ported LT4 Supercharger & Snout HighValue This port is recommended ifKONG LT4 CNC SUPERCHARGER PORTING SERVICE If you are looking to maximize the airflow through your LT4 supercharger, Kong Performance has you covered. Our supercharger port designs are based on years of hand porting experience. All of our latest ports were designed, created, tested, and programmed on our 5 axis CNC in house using highly advanced porting software! 40 80rwhp proven gains!!! (+40 60rwhp additional with "Stage X" Upgrade) Fully CNC Ported