5.0 · 8 reviews
SKU: 300-137BK

Single Plane EFI Intake-GM LS1/LS2/LS6 - Black

$562.99
FREE delivery
Description

ABOUT THIS PRODUCT

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

Product Features:
  • Includes Viton O-ring intake to cylinder head gaskets - Viton is a registered trademark of DuPont Performance Elastomers
  • 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
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • 4150 Square bore flange
  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • 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
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
Specifications
Brand
Holley EFI (770)
SKU
300-137BK
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

5.0

Based on 8 reviews

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R
Riley N. Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

M
Maria K. Verified Buyer
08/17/2025

Would buy again

Does what it is supposed to do. Happy with this purchase.

T
Ted R. Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M. Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L. Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

E
Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

D
Dana H. Verified Buyer
10/02/2025

Solid purchase

Quality feels premium and it fits my needs well.

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