Description:

Small Block to Big Block Heater Box Conversion Kit – GM 3906096

Convert your small block heater box cover to the correct big block configuration using this complete conversion kit. Designed for 1967–69 Camaro and 1970 Nova models, this kit allows you to modify your existing heater cover to properly accept a big block heater core. Includes all required plates and seals for a clean, factory‑style installation.

Product Details

• Converts small block heater box cover to big block configuration
• Includes big block heater tube flange plate
• Includes all required seals and block‑off components
• Seals are die‑stamped from heavy compression material
• Ensures proper sealing and heater core alignment
• Replacement for GM Part #: 3906096

Vehicle Fitment

• 1967–1969 Chevrolet Camaro
• 1970 Chevrolet Nova

Why Choose This Conversion Kit?

• Allows reuse of your existing small block heater cover
• Correct fit and function for big block heater cores
• Ideal for big block swaps or factory‑correct restorations
• High‑quality materials for long‑lasting performance