340 Engine Gasket Set

The 340 Engine Gasket Set from MOPAR PERFORMANCE is the factory-engineered seal solution for rebuilding or refreshing your Mopar 340 cubic-inch engine. Whether you're performing a top-end overhaul, replacing aging gaskets after high-mileage operation, or undertaking a complete engine rebuild, this comprehensive gasket kit delivers OEM-spec coverage across all critical sealing surfaces. Engine gaskets are the unsung backbone of reliability—when they fail or degrade, oil leaks, coolant weeping, and combustion gas bypass follow quickly, undermining performance and threatening long-term engine health.

This set combines all necessary gaskets—head gaskets, intake manifold, valley pan, oil pan, timing cover, and auxiliary component seals—engineered to OEM tolerances and material specifications for your 340 block. MOPAR PERFORMANCE gaskets are manufactured from premium compositions selected to withstand the thermal cycling, pressure cycling, and oil exposure inherent to small-block Chrysler duty. The 340 Engine Gasket Set arrives as a complete package, eliminating the need to source individual gaskets separately and ensuring compatibility across every seal point on the engine. Installation requires standard shop practices—clean sealing surfaces, proper torque sequences, and appropriate sealant application where specified—making this kit accessible to both DIY rebuilders and professional mechanics.

Buyers undertaking 340 engine restoration, swap installation, or post-machine-shop reassembly will find this gasket set indispensable for achieving a clean, leak-free assembly. Classic Mopar enthusiasts, hot-rod builders, and restoration shops rely on MOPAR PERFORMANCE gasket sets to maintain authenticity while delivering modern reliability standards. The complete kit format saves hours of cross-referencing and sourcing, reducing downtime and ensuring no critical seals are overlooked during rebuild. Compatible with all 340 cubic-inch Chrysler engines across model years and applications—whether installed in a Dodge Charger, Plymouth Road Runner, or contemporary swap platform—this gasket set is the recognized standard for professional-grade engine work.