Enginetech IA390 Intake Manifold Valley Pan Gasket Set for AMC Jeep 304 360

The Enginetech IA390 is a complete intake manifold valley pan gasket set designed specifically for AMC V8 engines including 304, 360, 390, and 401 cubic inch displacements. This gasket set replaces the individual side-only style intake manifold gaskets and includes a metal valley pan that connects left to right across the lifter valley.

Key Features:

• Complete 3-piece gasket set with metal valley pan and rubber end seals
• Prevents excess oil from splashing onto the underside of the intake manifold
• Helps reduce oil consumption and keeps incoming air cooler
• Shields the PCV valve from hot oil splash in the lifter valley
• Port height: 2.210 inches, port width: 1.130 inches
• Gasket thickness: 0.030 inches
• Direct replacement for OEM part numbers 4488467, 8125869, J8125869
• Interchanges with Fel-Pro MS96011 and MS15922

This valley pan gasket set is essential for proper sealing and optimal engine performance on AMC V8 engines. The metal pan prevents hot oil from contacting the intake manifold and PCV valve, reducing the risk of oil being drawn through the PCV system and helping maintain proper air/fuel temperatures. Fits all factory and aftermarket AMC intake manifolds with stock rectangular ports.