LS Multi-Port EFI Dual Throttle Body Intake Manifold

Product Discontinued

HOLLEYPART NUMBER: 510-300-121

LS Multi-Port EFI Dual Throttle Body Intake Manifold

Name: LS Multi-Port EFI Dual Throttle Body Intake Manifold
Brand: HOLLEY
SKU: 510-300-121
Price: 629.95 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

LS1 / LS2 / LS6

Fuel Injection Applications

Cathedral Port Runner Design

LS1/LS2/LS6 ''Cathedral'' Heads
4-Hole Square Bore Pad Design
Dual Plane Design
Includes Fuel Rails
Cast Aluminum Finish
Carb Flange Center-To-Center: 8-5/8'
1-3/4' Maximum Throttle Blade Bore
Fits GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads
The 300-121 EFI intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the 300-121 intake manifold fuel rail assembly.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeIntake Manifold

BrandHOLLEY

Package Height7.0

Package Width17.0

Package Length21.0

Weight21.0 PG

Part CategoryPerformance Parts

Runners RemovableNo

Number Of CarbsNone, For Fuel Injection

Supplemental Bosses Cast-InNo

Plenum MaterialAluminum

EmissionWithout EGR

Engine Make/SizeGM LS

Basic Operating Rpm Range1,500-7,000

Base FinishNatural

Rpm Range1500-7000

Injection StyleThrottle body

Supplemental Boss QuantityEight

Base MaterialAluminum

Plenum FinishNatural

Aftermarket Fuel Rail RequiredYes

Engine Block StyleStock/OEM standard Deck

UsageStreet/Hi-Performance

Throttle Body IncludedNo

PositionLower

QuantitySold individually

Cylinder Head TypeLS3/L92

Injectors IncludedNo

Fuel Rails IncludedNo

Intake Section IncludedComplete

EgrWithout EGR

Supplemental Bosses MachinedYes

Runners IncludedNo

Part FitmentSemi Universal

Vendor Part Number300-121

Package Qty1

Package TypeEA

No Questions

No Reviews

Please click here to download the instructions PDF file

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