300-133 LS Dual Carburetor Intake Manifold

Name: 300-133 LS Dual Carburetor Intake Manifold
Brand: HOLLEY
SKU: 510-300-133
Price: 610.95 USD
Availability: InStock

^$610⁹⁵

Ships on Sep 03, 2026

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LS3 / L92

Carbureted Applications

Rectangular Port Runner Design

LS3/L92 Rectangular Port Heads
4-Hole Square Bore Pad Design
Dual Plane Design
Cast Aluminum Finish

Carburetor Recommendations:
5.3-6.0 liters, stock engine street application - 390 CFM Carburetors, P/N 0-8007 (1-7/16' throttle bores, 1-1/16' venturis)
5.3-6.0+ liters, mildly modified engine - 465 CFM Carburetors, P/N 0-1848-1 (1-1/2' throttle bores, 1-3/32' venturis)
6.0+ liters, modified engine, hi-perf street/strip - 660 CFM Center-Squirter Carburetors, P/N 0-4224 (1-11/16' throttle bores, 1-1/4' primary & 1-5/16' secondary venturis)
Carb Flange Center-To-Center: 8-5/8'
1-11/16' Maximum Throttle Blade Bore
Fits all GM LS Gen III or Gen IV engines equipped with LS3/L92 style rectangular port cylinder heads
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