Info IMCA APPROVED A MOD SPACER P/N 545-64940
These open center carburetor spacers are designed to fit Holley 4150/4160 bolt pattern 4 barrel carbs. They are IMCA approved and are made to reduce heat conductivity for optimum performance.
- Plastic spacer reduces heat conductivity 10 times greater than aluminum
- Results in a denser, more powerful fuel charge to the manifold
- Fits Holley 4150/4160 bolt pattern
- IMCA approved
- Includes studs, nuts & washers (gaskets not included)
Speedway motors 545-64940 IMCA Approved Crate Spacer