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3 Results Found For "vacuum"

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On Sale

Holley Vacuum Secondary Diaphragms

Holley vacuum secondary diaphragms will replace your existing worn-out diaphragms. They are made from a high performance rubber material and will fit most Holley carburetors with vacuum secondaries.

4.82 out of 5 stars ( 49 )

$19.46

$17.51

Holley Carburetor Throttle Secondary Connecting Rods

Holley carburetor throttle secondary connecting rods include cotter pin for installation. For use with Holley carburetors, when it's time to swap out your old, inefficient connecting rods, you can count on Holley for dependable and reliable quality service parts.

5.0 out of 5 stars ( 7 )

$14.35

On Sale

Holley Replacement Power Valves

Holley replacement power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and closing rate. When they open, additional fuel is supplied to the main system during heavy load or under full power situations to eliminate hesitation and bogging--ensuring the smooth delivery of power without any drivability concerns. They're available in many different vacuum ranges to time the system's operation to your specific requirements, and they come in your choice of single-stage, two-stage, and high-flow designs. A gasket is included.

4.84 out of 5 stars ( 133 )

$20.09

$14.65

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$18.22

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