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Demon Carburetion is here to help you fine-tune your carburetor with these Street Demon step-up springs. The step-up springs help control your metering rod, and when it opens, they allow more fuel and air into your engine. If this happens early or late, your car will not perform at its peak, so you need to find the optimum spring for your engine setup. Demon Carburetion offers these Street Demon step-up springs in a variety of lengths and rates to help you find the perfect one for your ride.
( 4 )
$46.61
Demon Carburetion offers transmission kickdown spring and perch kits to allow you to use Demon carburetors with your Ford automatic transmission. These kits are available for Street Demon carbs, and are available to fit other Demon carburetors as well.
( 6 )
$42.08
Street Demon carburetors redefine street carburetors with clean looks and ease of use. They offer enthusiasts a straightforward design to deliver stable idle, amazingly crisp throttle response, and smooth performance. With optimized calibration and a dual mounting pattern, they are ready to run right out of the box. The carburetors feature an integrated fuel bowl/main body design with the gasket above fuel level and have no plugged passages, eliminating all potential leak paths. Additional features include: * Available with either a ball burnished aluminum, polished aluminum, or black aerospace composite fuel bowl * One-piece air horn assembly with a single fuel inlet * Torsion spring valve control/adjustment permits seamless primary to secondary throttle response, regardless of the throttle opening rate * Dual mounting bolt pattern (square bore or spread bore) fits any street 4-barrel intake manifold. Adapter may be required. * Integrated 700R4/200R4 transmission kickdown cable mounting location * Ford automatic transmission kickdown * Inverted flare and 3/8 in. barb fuel inlet fittings
( 388 )
$499.95
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$549.95
Demon Carburetion Shadow Black Street Demon carburetors redefine the fuel/air mixer with an all-new black ceramic coating which acts as a protective barrier to heat and corrosion. They offer car enthusiasts a straightforward design to deliver stable idle, amazing throttle response, and smooth performance. With optimized calibration and a dual-mounting pattern, they are ready to run … right out of the box! The carburetors feature an integrated fuel bowl/main body design, with the gasket above fuel level, and no plugged passages--eliminating all potential leak paths. They include small 1 3/8 in. primary throttle bores, combined with proven triple-stack boosters, to facilitate crisp throttle response and drivability. Other specs and benefits: * One-piece air horn assembly with a single fuel inlet * Torsion spring valve control/adjustment permits seamless primary to secondary throttle response, regardless of the throttle opening rate * 625 cfm airflow * Dual-mounting bolt pattern (square bore or spread bore) fits any street 4-barrel intake manifold * Integrated 700R4/200R4 transmission kickdown cable mounting location * Ford automatic transmission kickdown * Inverted flare and 3/8 in. barb fuel inlet fittings
( 8 )
$649.95
These Demon Carburetion Street Demon calibration kits include an assortment of metering rods, jets and step-up springs to fine tune your application. Kits include: * Primary main jet assortment * Secondary main jet assortment * Metering rod assortment * Step up spring assortment * Plastic yellow storage case
( 33 )
$127.95
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$142.95
These precision needle and seat assemblies by Demon Carburetion are specifically designed for Demon, Claw, and Holley performance carburetors. They keep the fuel bowl full, while offering positive sealing with a Viton® tip. The spring-loaded assemblies are recommended for severe off-road and marine conditions, while the .130 in. assemblies are used for increased volume requirements over the .110 in. assemblies.
( 4 )
$42.08
Demon Carburetion throttle cable brackets are designed to mount to the base of your Demon carburetor and hold your throttle cable in position. Manufactured from quality materials, they are then zinc plated for a great look and protection against corrosion.
( 46 )
$41.60
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