1 SET Black Carb spacers 1/2" Tall Open Phenolic Carburetor Spacer Compatible with Holley 4150/4160 4bbl. SBC BBC Carb

Specification: Condition:100% Brand New Colour:Black Material: Phenolic Plastic Thickness: 0.5,1/2" Spacer Style: Open Carburetor Type: Fits Holley 4150/4160 Package Includes: 1 spacer, 2 gaskets, and mounting hardware

• ①Compatible Information:Compatible with 4 barrel carbs with a square bore base like the Holley 4150/4160, Barry Grant, Carter and Edelbrock,that are used on many Small/Big Block Chevy, Ford and Chrysler Mopar engines.
• ②Thickness: 0.5",1/2"
• ③Phenolic material:Phenolic material is a type of plastic resin which has excellent insulating properties,Made of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixutre for increased power and efficiency.
• ④Package list:Package Includes mounting hardware and gaskets.
• ⑤Open Design Spacers:The open design spacers increase plenum volume for improved high rpm power, while 4-hole designs increase mixture velocity for improved low-speed and mid-range torque.