Racing Power Company R2103 1" Aluminum Carb Spacer 4150 Holley W/ Vacuum Port Kit

Constructed out of high quality aluminum and engineered to promote better air/fuel atomization for an increase in power and efficiency. Includes mounting hardware, gaskets & a 3/8″ in hose fitting for a no-hassle installation.

• 1″ Thickness
• Fits Holley 4150/4160 and AFB 4BBL Carburetor Flanges
• 1/8 NPT Threaded Vacuum Port
• Includes 3/8″ Hose Fitting
• Mounting Hardware & Gaskets