Holley Single Plane EFI Intake-GM LS1/LS2/LS6 - Black - 300-137BK
SKU: 2099168097

Holley Single Plane EFI Intake-GM LS1/LS2/LS6 - Black - 300-137BK

Sale price$263.23 Regular price$292.48
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Description

Holley Single Plane EFI Intake-GM LS1/LS2/LS6 - Black - 300-137BKOverview: Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1 LS2 LS6 style cathedral port cylinder heads. Black Ceramic Coating to provide you with that aggressive look in your engine compartment. Features: Black ceramic coating provides an aggressive look to your engine compartment 2500 7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cross sectional area broad torque curve, best

Overview:

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. Black Ceramic Coating to provide you with that aggressive look in your engine compartment.

Features:

  • Black ceramic coating provides an aggressive look to your engine compartment
  • 2500-7000 RPM power band
  • 4150 Square bore flange
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
  • Weight - 11.5 lbs.
  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
  • Port size - 2.50" height x 1.15" wide
  • Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Construction Cast
Emission Code 4
Engine GM Small Block Gen III/IV (LS Based)
Finish Black
Front Height 5.417 inch
Fuel System Type EFI
Manifold Type Single Plane
Product Type Manifold
Rear Height 5.417 inch
RPM Power Band 2500-7000
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2099168097

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Doug Mayse
Natrona Heights, US
★★★★★ 5
Great product
Color: brown Leather blue 2872
I love this watch! Great quality and looks great!
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Reviewed in the United States on November 6, 2024
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Dorita
Fort Morgan, US
★★★★★ 5
OLVST Watch
Color: men black watch 42, Color: men black watch 42
Very nice and elegant wristwatch. It feels light, comfortable on the wrist, and easy to wear. The time is clear and it works well for everyday use. Good value for the price.
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Reviewed in the United States on May 11, 2026
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Jeanie
Lake Worth, US
★★★★★ 5
Great quality and look!!!
Color: white watches for men 76, Color: white watches for men 76
Love the OLEVS watches!!! They are all great looking and of high quality!!! You can tell as soon as you put it on your wrist that it is of high quality. The displays are gorgeous and easy to read. The ones with stainless steel straps are easy to remove links to adjust fit. If you keep your eye on the daily and lighting deals, you can catch them with great deals.
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Reviewed in the United States on April 27, 2026
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Alfred Kelly
Birmingham, US
★★★★★ 4
Nice dress watch
Color: brown Leather blue 2872
Nice colors and beautiful finish. Good addition to my watch collection
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Reviewed in the United States on March 4, 2025
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Moises torres
San Leandro, US
★★★★★ 5
Quality
Color: brown Leather blue 2872
The watch is very nice, excellent quality.
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Reviewed in the United States on August 21, 2025

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