Holley Single Plane EFI Intake-GM LS1/LS2/LS6 - Black - 300-137BK
SKU: 57540185359

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: 57540185359

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Medeline
Louisville, US
★★★★★ 5
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Color: White
I absolutely love my four-leaf clover bracelet! It’s delicate, stylish, and has such a pretty shine that catches the light perfectly. The design feels elegant yet simple enough to wear every day. it makes me smile every time I wear it. The quality is great too it feels durable and hasn’t tarnished or faded. It’s the perfect gift idea for someone special or even a nice treat for yourself. Definitely a lucky charm worth having
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Reviewed in the United States on November 2, 2025
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Cheryl gregory
Draper, US
★★★★★ 5
Great gift
I purchased this as a Christmas gift for my daughter. She was very happy with it and wears it frequently.
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Reviewed in the United States on June 1, 2026
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Beatriz Jimenez
Fort Morgan, US
★★★★★ 4
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Muy bonito y delicado perfecto para un regalo.
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Reviewed in the United States on March 17, 2026
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Lina Fernández
Chelsea, US
★★★★★ 5
very delicate
Color: White, Color: White
I absolutely love this bracelet; it's super cute and delicate. The gold finish is shiny and elegant, and the clover design gives it a lovely touch. It's lightweight but doesn't look cheap, and it fits my wrist perfectly. I've worn it many times already and I always get compliments on it. Excellent quality for the price.
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Reviewed in the United States on October 30, 2025
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Graciela Limon
Belleville, US
★★★★★ 5
Muy bonita
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Reviewed in the United States on April 17, 2026

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