The FORMWORKS C3 to C4 Corvette Blower Fan Spacer provides the additional clearance needed to install a C4-style blower motor and fan assembly in 1968–1982 C3 Corvettes. Designed as a straightforward HVAC upgrade, the spacer allows owners to take advantage of the increased airflow of the C4 blower setup while retaining the factory C3 HVAC system. Manufactured from durable ABS plastic for under-hood use, each spacer is designed for proper fitment and an easy installation—bringing improved cabin airflow and modern comfort to your classic Corvette.
The FORMWORKS C3 to C4 Corvette Blower Fan Spacer provides the additional clearance needed to install a C4-style blower motor and fan assembly in 1968–1982 C3 Corvettes. Designed as a straightforward HVAC upgrade, the spacer allows owners to take advantage of the increased airflow of the C4 blower setup while retaining the factory C3 HVAC system. Manufactured from durable ABS plastic for under-hood use, each spacer is designed for proper fitment and an easy installation—bringing improved cabin airflow and modern comfort to your classic Corvette.