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Holley bypass fuel pressure regulator kits are part of a complete line of fuel system products from Holley. Offering several different kits, each features a billet or diecast aluminum regulator with an adjustable psi for precise fuel pressure changes and they are finished for corrosion resistance and good looks. The regulators are fitted with a 1/8 in. NPT gauge port and include an Earl's fuel pressure gauge, three adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware. Choose the kit to best fit your project's needs and performance.
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$299.95
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$349.95
$269.95
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$314.95
On Sale
Upgrading your fuel system is required in order to take advantage of airflow modifications such as intakes, exhausts, or turbochargers. The COBB fuel rails allow for increased fuel capacity and consistent performance at each injector. They are constructed of 6061 billet aluminum and feature a black anodized finish with a laser-etched COBB logo. Each rail comes with adapters pre-installed to allow for plug-and-play installation with the COBB fuel line kit. Phenolic thermal spacers and stand-offs provide a heat barrier between the cylinder head and fuel system and are included with each kit.
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$300.00
$255.00
On Sale
Holley EFI Coyote Ultra Lo-Ram intake manifolds are designed to fit stock bolt pattern OE heads found on the 2011-23 Ford 5.0 Coyotes and related engine families, such as Voodoo and Predators. These kits include fuel rails for use with OEM-type fuel injectors and clips, mounting hardware, and O-ring gaskets. Offered in black and natural as-cast finish, the manifolds have a 9.20 in. runner length and are designed to improve the mid to high RPM powerband. The Ultra Lo-Ram provides an additional 19.4mm front and 42.6mm rear clearance compared to the Ford Performance Cobra Jet manifold—plus clears 2015-23 Mustang factory hoods. They're offered in both round and oval throttle body configurations, with replacement front inlets for easy interchangeability. The oval inlet can accommodate up to a 150 x 66mm single throttle body and 93mm on the round variant. Round inlets include standard mounting provisions for GT350, GT500, and LS 4-bolt throttle bodies. 2011-23 GT throttle bodies can be used with the optional 717-18 adapter. (NOTE: Coyote Ultra Lo-Ram intake manifolds are available with the base only, no top included, if desired. See "Intake Section Included" tabs.) Product features: * As-cast aluminum construction: more durable for boosted applications, can be welded for modifications * Modular design: accessible runner entries for porting, allows accessories like intercoolers and nitrous plates * 300-911 and 300-912 Ultra Lo-Ram will fit under stock hood with stock engine mounts in 2015-23 Mustang * Refined port design with streamlined injector boss for reduced turbulence without loss of flow area * Allows a variety of throttle valves, including large monoblade, 2015-20 GT350, 2007-14 GT500, 2019-23 GT500, GM LS 4-bolt, 2011-23 Ford Mustang GT (with optional adapter PN 717-18) * Fuel rails with -8 AN ports and dual 1/8 NPT accessory ports for gauges or Gen 3 direct injection fuel line hookup
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$924.95
$508.95
On Sale
Aeromotive fuel pressure regulator and filter combo kits are available for both EFI and carbureted applications. A 10-micron cellulose filter is paired with an adjustable regulator. The aluminum regulators are offered with a black or clear anodized finish. Specifications and notes: * AN -10 inlet and outlet ports with AN -06 return port * 1/8 in. NPT dedicated gauge port * Easy installation for street performance vehicles * Reduces required return line length -- EFI adjustable from 40 psi to 75 psi, made for A1000 and smaller pumps -- Carb adjustable from 3 psi to 20 psi, made for 250 gph and smaller pumps
( 2 )
$357.55
$321.80
On Sale
Nitrous Outlet X-Series Core EFI plumbing kits include everything you need for a single-nozzle nitrous kit from the main feed line forward. This system is ideal to replace the main components of an existing system or to fill in the gaps if you're trying to piece together a system. It's capable of spraying up to 200 hp! Core Systems come with just the basics; they do not include bottle, bottle brackets, WOT switch, fuel rail adapter, hardware, or wiring. Plumbing kits include: * 90 degree wet nitrous nozzle and fittings * 192 in. 4 AN hose main nitrous feed line * 2 x 24 in. 3 AN hose * 18 in. 4 AN hose * .155 in. fuel solenoid * .078 in. nitrous solenoid * Nitrous and Fuel Jet Pack with one each of the following jets: .014, .016, .017, .018, .019, .023, .024, .028, .030, .031, .035, .036, .041, .052, .062, .078. This jet pack allows for horsepower settings 35, 50, 75, 100, 150, and 200 hp with 45-55 psi fuel pressure * The Core system can be used to upgrade your existing nitrous components, allowing you to retain your existing bottle
( 1 )
$423.99
$360.39
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