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These Holley vacuum secondary spring kits are designed to fine-tune your carburetor. They have an effect on initial operating and full upper rpm.
( 49 )
$23.75
$21.38
On Sale
Holley offers vacuum secondary carburetor accessories that can be used as replacements or for use in upgrading your present carburetor. From diaphragms to spring kits, covers to quick-change kits and more, Holley has the part accessories you need to keep your carburetor at peak performance.
( 35 )
$38.17
$34.35
On Sale
Fine-tune your opening rate for winning performance with Quick Fuel carburetor vacuum secondary spring kits. The assortment includes seven springs from light (white) to heavy (black) to efficiently regulate your carburetor's secondaries. One spring doesn't fit all applications. Tune your carburetor for best performance with Quick Fuel carburetor vacuum secondary spring kits.
( 19 )
$37.44
$33.70
On Sale
When it's time to rebuild your Demon carburetor, you'll need one of these Demon Carburetion carburetor rebuild kits. They include every possible gasket and seal you'll need, along with many parts not included in other kits, like detailed instructions and a power valve. Some kits include standard gaskets for fuel bowl, metering block, and bowl screws.
( 154 )
$53.49
$48.15
On Sale
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.
( 131 )
$31.79
$28.61
On Sale
Summit Bucks
Boost Products USA silicone couplers are reinforced with textile layers to be extreme pressure resistant, and also to vacuum in your Air Charge System. The hose tubing couplers are suitable for your intercooler system, intake system, water lines or similar, as they can withstand up to 5 Bar and temperatures up to 220 degrees C (not to be used as fuel or oil line). Boost Products silicone hoses have achieved, and many times even exceeded the quality of silicone hoses, compared to ones made by other well-known manufacturers in quality tests. The silicone is durable and flexible, stable, and color-proof for many years. As a matter of fact, lots of well-known companies in the tuning and motorsport areas have come to rely on these quality hose silicone couplers by Boost Products.
( 3 )
$22.35
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$61.05
$20.12
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$54.94
On Sale
Summit Bucks
Boost Products USA silicone hump couplers are reinforced with textile layers to be extreme pressure resistant, and also to vacuum in your Air Charge System. Suitable for connections to intercooler pipes and lines, and water lines, the silicone hump couplers can withstand up to 5 Bar and temperatures up to 220 degrees C (not to be used as fuel or oil line). These quality hose couplers are designed with a hump in the middle, which allows the connector to bend or to stretch. This results in a bendable flexibility, which is highly recommended for throttle valves or intercoolers connected to the vehicles body, and similar connections. The silicone is durable and flexible, stable, and color-proof after many years. Matter of fact, lots of well-known companies in the tuning and motorsport areas rely on these quality silicone hump couplers by Boost Products.
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$22.42
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$54.71
$20.18
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$49.24
On Sale
Agility Auto Parts offers a complete line of mechanical fuel pumps covering a wide variety of North American vehicle applications. They are engineered to meet or exceed all OEM specifications. Agility Auto Parts mechanical fuel pumps are drop-in replacements right out of the box with all the necessary components included.
( 21 )
$34.99
$31.49
On Sale
Quick Fuel Performance carburetor rebuild kits are available for specific carb models from manufacturers such as Holley, Demon, Quick Fuel, and Proform. Regular cleaning, maintenance, and re-sealing helps to prevent contaminants from entering your engine. These Performance kits feature Quick Fuel's iconic blue non-stick gaskets coated with fluorocarbon—recommended for all racing applications. Other components are included, depending on the model or list number you select for your vehicle.
( 121 )
$53.49
$48.15
On Sale
Quick Fuel fuel pressure regulators are made with premium materials throughout and include a broad range of styles with bodies made from cast aluminum or machined aircraft-grade billet aluminum. Offered in a variety of anodized and powdercoated body and top finishes for added durability and reliable performance, they are all designed to provide smooth, consistent, and repeatable performance.
( 75 )
$45.49
$40.94
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