Enginetech IB231-A Intake Manifold Valley Pan Gasket Set for Buick 3.8L 231

The Enginetech IB231-A is an intake manifold valley pan gasket set designed for Buick 3.8L 231 cubic inch V6 engines from 1979 to 1989, including turbocharged applications. This gasket set provides a critical seal between the intake manifold and engine block, preventing vacuum leaks and maintaining proper engine performance.

Key Features:

• Precision-engineered for Buick 3.8L (231 CID) V6 engines
• Compatible with naturally aspirated and turbocharged applications
• Designed to prevent vacuum leaks and withstand high exhaust crossover temperatures
• Features embossed design or raised elastomeric beads for superior sealing pressure
• Die-cut from application-specific materials in proper thickness for optimal sealing
• Equivalent to Fel-Pro MS96033

Application Notes: Fits 1979-1989 Buick 3.8L 231 engines. Excludes 1979-1983 Riviera and 1984 models with aluminum intake manifolds. This rebuilder-grade gasket set is specifically engineered for rebuilt engines with superior materials and design compared to OE gaskets.