Has 2 more bolt holes in the spacer and the ports are smaller. Insulates the upper intake for more power and better throttle response. This is made right here in the USA out High temp composite.
Intake spacer fits Edelbrock performer 1/2" 5.0 Ford fuel injection 302 331 347
Intake spacer fits Edelbrock performer 1.5" 5.0 Ford fuel injection 302 331 347
1" Inch Air Cleaner Spacer - Fits Edelbrock Holley Riser SBC BBC 350 Ford 302
3/8" Open Square Aluminum Carburetor Spacer, Fits Edelbrock/Holley/SBC/BBC/Chevy
2" Open Square Phenolic Carburetor Spacer - Fits Edelbrock Holley SBC BBC Chevy