Racing Power Company 1/2″ Phenolic Carb Spacer Kit For 4150 Holley – Open R9139
Made out of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixture for increased power and efficiency. Includes mounting hardware and gaskets for a no-hassle installation.
Specifications:
- 1/2″ Thickness
- Fits Holley 4150/4160 4BBL Carburetor Flanges
- Includes Mounting Hardware & Gaskets
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Racing Power Company 1/2″ Phenolic Carb Spacer Kit For 4150 Holley – Open R9139
Racing Power Company 1/2″ Phenolic Carb Spacer Kit For 4150 Holley – Open R9139
Made out of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixture for increased power and efficiency. Includes mounting hardware and gaskets for a no-hassle installation.
Specifications:
- 1/2″ Thickness
- Fits Holley 4150/4160 4BBL Carburetor Flanges
- Includes Mounting Hardware & Gaskets
Original: $39.99
-65%$39.99
$14.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Made out of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixture for increased power and efficiency. Includes mounting hardware and gaskets for a no-hassle installation.
Specifications:
- 1/2″ Thickness
- Fits Holley 4150/4160 4BBL Carburetor Flanges
- Includes Mounting Hardware & Gaskets











