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750 in Extended
Best with 5 speed or 2200-2500 stall
It is inherently flame resistant
12 AN Male to 12 AN Male O-Ring
Holley Secondary Accelerator Pump Diaphragm Spring Kits SPBS3 750 in ExtendedSecondary 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
