Precision-machined ICT Billet aluminum block-off plate designed to seal the unused MAP sensor vacuum port on supercharged LS engines—including LSA, LS9, LT4, LS3, and Holley Hi-Ram or Hellcat-style blower setups—ensuring accurate manifold pressure readings and optimal ECU performance.

Description

MAP Sensor Vacuum (MAP Sensor) Port Plug

Compatible with LS3, LSA, LS9, and LT4 OEM superchargers, OEM Hellcat

• Can be used to plug 1 or both MAP sensor port locations
• Includes: 1 plug with FKM oring and bolt
• Compatible with RPO codes: LS3, LSA, LS9, LT4, & all 4 Hellcat sensor ports, holley high ram
• Made in Wichita, Kansas from USA produced, billet aluminum

*note if you have an truck intake manifold then you must use part number 551624

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