Holley Intake Manifold 300-226; Cast Aluminum for Chevy LS1, LS2, LS6

$490.95

Brand:

Holley

SKU:

HOL300-226

UPC:

090127681718

Box Dimensions:

20.75 × 14.75 × 10 in

Box Weight:

22 lb

This item ships free with qualifying orders of $99 or more

(Valid on orders shipped within the contiguous United States. Excludes any oversized charges. See Shipping Policy page for more details)

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Description & Specs

Make:

Chevy

Engine:

LS1, LS2, LS6

Material:

Cast Aluminum

Fuel System Type:

Carbureted

Port Size â€“ 2.49â€ Height x 1.21â€ Wide
Hard Core Gray with black anodized billet aluminum metering block and booster inserts
Calibrated specifically for use on circle track
Has a set screw in the base plate for wide open throttle stop adjustment
PTFE coated throttle shafts rides in oil impregnanted bronze bushings for smooth throttle actuation
Anti-siphon valve in main body to reduce pump pullover
Contoured venturri inlet offers balanced airflow for increased horsepower
Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii
Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship. Helps maintain good idle control when using radical camshafts.
Dual 30cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
Built in drain plug in front center of bowl provides easy access to empty contents of bowl
-8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side; comes from the factory with 8AN inlet fittings
4 corner idle allows you to precisely control your idle system
Internal pump passage in metering block equipped with a tunable bleed off for further tuning of accelerator pump
Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
Primary throttle shaft capped to prevent entry of debris & contaminates
Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side
Set up with 1:1 throttle actuation
Baseplate designed with a boss that can be consumer machined for vacuum source

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS3/L92 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sand rails, pulling trucks, track, street-rod applications and more!

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