Standard Ignition PG9 Fuel Injection Plenum Gasket - Upper

Fuel Injection Plenum Gasket for GM Upper Intake Service

Standard Ignition PG9 is a fuel injection plenum gasket for upper intake service on select GM vehicles. It is built with a metal construction and includes the intake manifold gasket specified for the application, helping restore a proper seal where the upper intake meets the engine.

Compatible With 1985-1995 Chevrolet Camaro, Upper; 1985-1995 Pontiac Firebird, Upper; 1985-1988 Pontiac Fiero, Upper; and additional Buick, Chevrolet, Oldsmobile, and Pontiac applications listed below. Standard Ignition PG9 is a direct-fit sealing component for repair work on the upper intake system.

Key Features

• Fuel injection plenum gasket for upper intake sealing
• Metal gasket material for durable sealing performance
• Intake manifold gasket included
• 5 bolt holes and 4 ports for the specified application
• Designed to meet or exceed OE specifications
• Tested and inspected in an ISO 9000-compliant environment

Detailed Description

Standard Ignition PG9 is engineered for upper intake and throttle body service where a reliable seal is critical to engine performance. The metal gasket design supports prolonged service life, while the OE-style fit helps maintain proper alignment at the intake interface. This part is commonly selected for Chevrolet Camaro and Pontiac Firebird upper intake repairs, as well as other GM platforms from the mid-1980s through the mid-1990s. If you are replacing a leaking or deteriorated upper intake seal, PG9 provides the sealing surface needed for a clean reassembly.

This part cross-references Continental 50009 for the same application.

Common Problems This Part Can Address

• Upper intake vacuum leaks
• Intake manifold sealing failure
• Rough idle caused by air leakage at the plenum
• Loss of engine performance from a compromised gasket seal
• Coolant or air intrusion at the intake sealing surface

Installation Notes and Tips

• Verify the engine and intake configuration before ordering.
• Clean both mating surfaces thoroughly before installation.
• Inspect the upper intake and throttle body surfaces for warpage or damage.
• Follow the vehicle service manual for torque sequence and tightening specifications.
• Replace any damaged sealing surfaces before installing the new gasket.

Quality Assurance

Standard Ignition manufactures this gasket with robust materials and tests it in an ISO 9000-compliant environment. The design is intended to meet or exceed OE specifications and address common failure points found in original equipment sealing components.