1968 C3 427 Radiator Core Support Seals Kit - 4 Piece
Ensure proper airflow and cooling efficiency with this reproduction 1968 Corvette 427 Radiator Core Support Seals Kit. Designed specifically for all 427 engines and all automatic-equipped 1968 Corvettes, these seals close gaps around the radiator core support and shroud—reducing the risk of overheating and restoring factory air channeling.
Features
• Fits all 1968 Corvettes with 427 engines
• Also fits all 1968 Corvettes with automatic transmission
• Die-cut from correct-density foam for proper appearance and function
• Includes pre-applied pressure-sensitive adhesive where required
• Prevents hot air recirculation and improves radiator efficiency
• Ideal for stock restorations or maintenance upgrades
Dimensions and Weight
• Four-piece kit – includes both upper and lower seal sections
• Each part is precision die-cut for factory fit
• Lightweight and durable for long-term performance
Tech Notes
• Not for small block or manual transmission applications
• Adhesive-backed as original for easy installation
• Compatible with OE radiator shrouds and core supports
Because Details Matter
Sealing the radiator core support isn’t just about appearance—it’s critical to how your Corvette cools itself under load. This 4-piece kit gives you the correct materials and fit for your big-block ’68, ensuring airflow is directed through the radiator and not around it. Whether you’re restoring a high-horsepower 427 or simply refreshing your C3’s cooling system, this kit makes a difference where it counts.
Also known under these part numbers: (For reference only)