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Vehicle Info Needed534-219 Fuel Rail Kit Fits: Holley 510-300-137 Intake Manifold
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Lowest Price Guarantee- Fuel Rail Kit
- Fits: Holley 510-300-137 Intake Manifold
- Black Anodized
- High Volume
Fuel Rail Kit Contents: - (2) - Fuel Rails, High Volume, Black Anodized Holley EFI
- (2) - Fuel Rail Bracket, Long, for Standard EV1 type fuel injector
- (2) - Fuel Rail Bracket, Short, for GM OE LS7 type fuel injector
- (2) - Flanged Hex Head Capscrews, 5/16-18 x .75" long, for fuel rail bracket to intake manifold mounting
- (2) - Flanged Hex Head Capscrews, 5/16-18 x .50" long, for fuel rail bracket to fuel rail mounting
- (2) - Fuel Injector Outlet O-ring, used for adapting the LS7 injector for mounting in the manifold
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Single Plane Aluminum Intakes for Maximum Performance
Holley LS Single Plane Intake Manifolds for carbureted and EFI applications are ideal for higher horsepower engines as well as those incorporating forced induction or nitrous oxide power adders. Thanks to Holley's advanced casting technology, these lightweight aluminum intakes only weigh 11.5 lbs. and the runner design features a constant cross-sectional area that is ideal for a broad powerband from 2,500-7,000 RPM. With a consistent wall thickness throughout for balanced performance and sealing strength, this excellent design has the lowest carb mounting flange height possible without sacrificing power.
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Unlock maximum performance from your LS engine with the Holley LS Single Plane Intake Manifolds for Carb & EFI—engineered to deliver exceptional high-RPM airflow and horsepower gains for serious street and race applications. Whether you're running a carbureted setup or modern EFI, this manifold offers the versatility and performance Holley is known for.
Designed for LS cathedral port heads, this LS Holley intake manifold is ideal for builders who want a clean, high-performance solution without sacrificing compatibility. It features a single-plane, high-rise design that enhances mid-to-high RPM power, making it perfect for track cars, drag racers, or any LS-powered build pushing for peak output.
This carburetor intake for LS motor includes provisions for fuel injectors and sensors, giving you the freedom to run a carb setup now and easily upgrade to EFI later—or vice versa. It's an excellent choice for anyone seeking a modular intake that evolves with their build.
The LS cathedral port carb intake is precision-machined from high-quality aluminum and finished with a sleek look that complements any engine bay. Holley's renowned engineering ensures reliable fitment, optimized runner geometry, and excellent throttle response under hard acceleration.
Whether you're upgrading a street machine or assembling a competition-ready engine, Holley's LS Single Plane Intake Manifold delivers airflow, flexibility, and bolt-on power you can feel. Backed by decades of performance innovation, this manifold is a must-have for serious LS enthusiasts.
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