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Holley EFI 300-253BK Billet 4500 Throttle Body Intake Elbow, LS

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#425300253BK

Holley EFI 300-253BK Billet 4500 Throttle Body Intake Elbow, LS

Name: Holley EFI 300-253BK Billet 4500 Throttle Body Intake Elbow, LS
Brand: Holley
SKU: 425300253BK
Price: 849.95 USD
Availability: InStock

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$849.95

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$922.95

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Product Summary

Universal Fit, 100 degree Angle, Black, Powder Coated

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Key Specs

MFG. Part #	300-253BK
Brand	Holley
Angle	100 degree
Color	Black
Finish	Powder Coated

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Holley 300-253BK Details

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 allows 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.

Features:

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”
Black Finish

Charts

425-300253BK Instructions (PDF)

Guides & Documents

Engine Air Intake Elbows Installation Instructions (425300253BK)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Holley 300-253BK Specifications

KEY SPECS
MFG. Part #	300-253BK
Brand	Holley
Angle	100 degree
Color	Black
Finish	Powder Coated

GENERAL
GTIN Code	090127062845
Sold in Quantity	Each

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