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Holley®  |  SKU: 300-253

Holley® #300-253 GM LS Billet 4500 EFI Throttle Body Intake Elbow

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£619.94
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Description

These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to the intake plenum for maximum airflow and distribution. Dual throttle cable mounting bracket bosses are included while the 4500 flange pattern allow the elbow & throttle body to be mounted forward, sideways, or rearward. The throttle bracket is included. Features (4) vacuum ports, MAP sensor port, machined / port matched to 4500 gasket, and 100° throttle body angle for extra hood clearance. Includes billet MAP sensor port cover, gaskets & hardware. The port design spacing will also allow a transducer to be used if a MAP sensor is not needed. The intake flange has an o-ring groove for a positive flange seal and the o-ring is included as well.

  • Fits GM LS Throttle Bodies

  • 105mm Throttle Body Opening - 100° Mounting Angle

  • Fits Intakes w/ 4500 Flange- designed to use the included o-ring for sealing

  • The 4500 square flange pattern allows Forward, Sideways or Rearward Throttle Body Mounting

  • LS3 Style MAP Sensor Mounting

  • (4) vacuum ports, MAP sensor port,

  • (2) Throttle Linkage Mounting Bosses

  • Machined Billet finish

  • Overall Height 6.38”

Brand

Holley EFI

Category Filter

Intake Manifolds

Clearance Category

Intake Manifolds

Color

Silver

Construction

Cast

Emission Code

3

Engine

GM LS1/LS2/LS6

Finish

Silver

Fuel System Type

EFI

Height

6.3"

Material

Billet Aluminum

Product Type

Intake Elbow

Throttle Bore

105mm

Warranty

Limited 90 Day

UPC

090127062838

Part Number

300-253

ABOUT HOLLEY PERFORMANCE

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.

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WARRANTY:

 

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