IAC Restrictor Plate Compatible With Mustang 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 V8 V6 GT 4.6 5.0 3.8 Idle Air Control

IAC Restrictor Plate for 1986–2004 Mustang V8 and V6 models including GT, LX, and standard trims with 5.0L, 4.6L, and 3.8L engines.The plate restricts airflow from the idle air control valve to the engine.It reduces or eliminates RPM rev hang during shifting, deceleration, and coasting.Made from 5052 aluminum using CNC laser cutting.Installation requires approximately 10 minutes and uses a gasket ( 71216, sold separately).No check engine light triggered; no tuning or additional modifications required.Enables faster shifting and improves fuel efficiency.Package includes one IAC restrictor plate.

• Designed for Mustang models from 1986 to 2004 including V8 and V6 variants such as GT, LX, and
• Compatible with 4.6L, 5.0L, and 3.8L engine displacements across multiple Mustang generations
• Functions as a direct replacement for the factory idle air control (IAC) restrictor plate to regulate airflow during idle
• Engineered to restore proper idle stability and throttle response when installed with the IAC valve assembly
• Fits both carbureted and fuel-injected systems found in applicable model years, supporting OEM-style installation