Holley Carburetor Performance Renew Kit - Model Number 4150 600 - 650 - 700 - 750 - 800 - 850 CFM. All Carbs Exc. R9 Series 4053 Fuel delivery kits are available

Fuel delivery kits are available and sold separately

1965-1972 Chevrolet Biscayne CID 396

Polaris PZR 1000

External return spring maintains positive pedal feel and helps prolong pad life by ensuring quick reaction to released pedal force

Built in Windage Tray

Holley Carburetor Performance Renew Kit - Model Number 4150 600 - 650 - 700 - 750 - 800 - 850 CFM. All Carbs Exc. R9 Series 4053 Fuel delivery kits are availableKits contain complete carburetor gasket and seal set, instructions and troubleshooting guide. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's