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$103 Off

#UP232522

INTAKE MANIFOLD, LS3 DUAL-P

Open Box
Item is in like-new condition. Original packaging may be damaged or missing. Please review the description for additional details

$415.99

/each

In Stock

$518.95

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Item is in like-new condition. Original packaging may be damaged or missing. Please review the description for additional details.

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Product Summary

EFI Fuel System Type, Multi-port Injection Style

Open Box
Item is in like-new condition. Original packaging may be damaged or missing. Please review the description for additional details

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Key Specs

Garage Sale Type	Open Box
Injection Style	Multi-port
Intake Manifold Type	Dual Plane
Carburetor Flange Type	4-Barrel Square Bore
RPM Range	1,500-6,500

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Ineligible for Return

Contains items that cannot be returned

Holley 300-129 Details

Garage Sale Product

This is Garage Sale priced because it is a factory shipped item that we do not carry "in house".

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O-ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap. Bolt one on today!

All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads
1500-6500 RPM power band
4150 square bore carb mounting flange
Optimized runner layout and constant cross sectional area provide a broad torque curve
Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
Great for carbureted or throttle body EFI street applications
Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
Weighs 14.56 lbs.
Height (front) - 5.07" from front lifter valley cover to carb mounting flange
Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
Port size - 2.454" height x 1.09" wide
Mounting flange gasket type - O-ring
For 300-129, use P/N # 425-50822 Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers

Charts

Installation Instructions (PDF)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

Holley 300-129 Specifications

KEY SPECS
MFG. Part #	300-129
Brand	Holley
Garage Sale Type	Open Box
Injection Style	Multi-port
Intake Manifold Type	Dual Plane
Carburetor Flange Type	4-Barrel Square Bore
RPM Range	1,500-6,500
Material Type	Aluminum

GENERAL
Fuel System Type	EFI
Carburetor Quantity	One
Finish	Natural
EGR	No
Cylinder Head Configuration	Rectangular Port
Intake Section Included	Complete
Overall Height	6.14"
Bolt Hole Pattern	5.160" x 5.625"
Emission Code	4
Sold in Quantity	Each

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