SKU: 68943422992

Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 eng. 300-120

Sale price$274.93 Regular price$305.48
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Description

Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 eng. 300-120Holley Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1 LS2 LS6 engines Holley Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1 LS2 LS6 engines NOTES: All GM LS Gen 3 engines equipped with LS1 LS2 style cathedral port cylinder heads Features: The Holley GM LS1 LS2 LS6 2x4V dual plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans Am and at Lemans in the 1960? s.

Holley Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines

Holley Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines

NOTES: All GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads

Features:

  • The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960?s.
  • The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power.
  • Carbureted and EFI versions available
  • Power band from 1500-7000 rpm
  • Appropriate for any street/performance, muscle car, or street rod enthusiast
  • Cast aluminum construction
  • Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads
  • Carb Flange Center-To-Center: 8-5/8?

Specs:

Basic Operating RPM Range 1500-6500Revolutions per Minute
Brand Holley
Carburetor Flange Square/4150
Carburetor Studs Included No
Clearance Category Air and Fuel Delivery
Color Natural
Construction Cast
Discount Percentage 26-50%
EGR Port No
Emission Code 4
Engine GM LS1/LS2/LS6
Finish Silver
Flange Style 4150 Square Bore
Front Height 4.47 inch
Front Maximum Height 4.47Inch
Fuel Injectors Included No
Fuel Rail(s) Included No
Fuel System Type Carb
Gasket Or Seal Included No
Grade Type Performance
Intake Port Gasket(s) Included No
Manifold Type Dual Plane
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Natural
Product Type Intake Manifold Base
Rear Height 5.54 inch
Rear Maximum Height 5.54Inch
Removable Runners No
RPM Power Band 1500-6500 RPM
Sale Category Air and Fuel Delivery
Single Or Dual Plane Type Single Plane
Throttle Body Included No
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: 68943422992

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john casari
Bozeman, US
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Verified Purchase
Cody Mills
Chelsea, US
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
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Reviewed in the United States on March 18, 2026
A
Verified Purchase
albert smart
Louisville, US
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
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Reviewed in the United States on May 15, 2026
M
Verified Purchase
mattw
Los Angeles, US
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
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Reviewed in the United States on March 31, 2025
P
Verified Purchase
Peter Schott
Lexington, US
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025

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