1 10

Holley EFI 300-227 - Hi-Ram Lower Manifold - GM LS1/LS2/LS6

Holley EFI | SKU: HOLEFI-300-227

$967⁹⁹ $1,068⁹⁵

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Holley EFI 300-227 - Hi-Ram Lower Manifold - GM LS1/LS2/LS6

Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6

LS1/LS2/LS6 Cathedral Port EFI Base Only

• EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits

Silver color
Mounting Flange Gasket Type - Standard LS3 Molded O-ring
Port Size - 2.49” H x 1.21” W
Plenum Top Gasket Type - 3/32” Round O-ring Cord
Runner Length - 6.58” As-Cast Runner Cross-Sectional Area - Tapered 4.25 in² to 2.53 in²

Basic Operating RPM Range: 3500-8000

Brand: Holley EFI

Carburetor Flange: N/A

Carburetor Quantity: N/A

Carburetor Studs Included: N/A

Category: Engine

CNC Ported: No

Color: Natural

Construction: Cast

Cylinder Head Port Shape: Cathedral

Deck Height: 9.24

EGR Port: No

Emission Code: 4

Engine: GM LS1/LS2/LS6

Flange Style: N/A

Fuel Injectors Included: No

Fuel Rail(s) Included: Yes

Fuel System Type: EFI

Gasket Or Seal Included: Yes

Grade Type: Performance

Intake Port Gasket(s) Included: No

Material: Aluminum

Nitrous Bung(s) Included: No

part type: Engine Intake Manifold

Plenum Finish: Natural

Product Type: Intake Manifold Base

Removable Runners: No

Removable Top/Lid: Yes

Single Or Dual Plane Type: Single Plane

Sub Category: Cylinder Block Components

Throttle Body Bore Diameter: N/A

Throttle Body Gasket Included: N/A

Throttle Body Included: No

Type of Component: Lower Manifold

Vacuum Ports: Yes

Warning: California Proposition 65

Warranty: Manufacturer's Limited 90 Day Warranty

What are people saying about CSP?