Holley Secondary Accelerator Pump Diaphragm Spring Kits YA0601 Ultra-Spark

Ultra-Spark

Auto Enforcer Shark

features (3) 3/8"-16 accessory threads and weighs just one pound

steel-cased foot pedal with 8' cord and assorted wire ends to work with many applications

1965-1972 Chevrolet Biscayne CID 454

Holley Secondary Accelerator Pump Diaphragm Spring Kits YA0601 Ultra-SparkSecondary Throttle Operating Ranges Color: White Relative Load: Lightest Color: Yellow Relative Load: Lighter Color: Purple Relative Load: Medium Light Color: Plain Relative Load: Medium Color: Brown Relative Load: Heavy Color: Black Relative Load: HeavyHolley 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