My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Holley EFI 300-246BK Hi-Ram Intake Manifold Plenum Top - 105mm Black

Part of: Holley EFI Hi-Ram Intake Manifold Plenum Top

Other options in this family: Holley EFI 300-246 Holley EFI 300-207BK-2 Holley EFI 300-208 Holley EFI 300-208BK-2 Holley EFI 300-207BK

Manufacturer

Picture for manufacturer Holley EFI

Part Number

300-246BK
6 reviews
Sale Price

$499.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Holley EFI 300-246BK Hi-Ram intake manifold plenum top is designed for high-performance engine builders seeking maximum airflow capabilities. This precision-engineered component features a large 105mm throttle body opening to support extreme horsepower applications and aggressive tuning requirements.

Key Features:

  • Lightweight aluminum construction for durability and heat dissipation
  • 105mm throttle body opening accommodates large-bore throttle bodies
  • Black anodized finish for corrosion resistance and professional appearance
  • Top-only design allows custom integration with aftermarket or fabricated lower intake manifolds
  • Ideal for high-flow applications requiring maximum air delivery
  • Compatible with custom manifold configurations for specialized engine builds

This plenum top is perfect for racers and performance enthusiasts building custom intake systems where airflow is critical. The modular design provides flexibility for fabricators to create optimized intake solutions tailored to specific engine combinations and power goals.

Products specifications

Basic Operating RPM Range

1500-7000

Brand

Holley EFI

Category

Engine

CNC Ported

No

Color

Black

Construction

Cast

EGR Port

No

Emission Code

4

Engine

Universal

Fuel Injectors Included

No

Fuel Rail(s) Included

No

Fuel System Type

EFI

Gasket Or Seal Included

No

Grade Type

Performance

Inlet Size

105mm

Intake Port Gasket(s) Included

No

Material

Aluminum

Material

Cast Aluminum

Nitrous Bung(s) Included

No

Part Type

Engine Intake Manifold

Plenum Finish

Black

Product Type

Intake Manifold Top

Removable Runners

No

Removable Top/Lid

Yes

Single Or Dual Plane Type

Single Plane

Sub Category

Cylinder Block Components

Throttle Body Bore Diameter

105 MM

Throttle Body Gasket Included

No

Throttle Body Included

No

Type of Component

Manifold Top

Vacuum Ports

No

Warning

California Proposition 65

Warranty

Manufacturer's Limited 90 Day Warranty

I just never do top scores

Great so far

Great response time for email enquiry

Great service and product!

Fast service!

Seemless

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy