Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
LS3 / L92Carbureted Applications Rectangular Port Runner Design
- LS Dual Carburetor Intake Manifold
- LS3/L92 Rectangular Port Heads
- 4-Hole Square Bore Pad Design
- Dual Plane Design
- Black Ceramic Coated 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
Part TypeIntake Manifold
BrandHOLLEY
Package Height7.0
Package Width14.0
Package Length23.0
Weight20.0 PG
Part CategoryPerformance Parts
UsageRacing
Number Of CarbsTwo
PositionUpper
EmissionWithout EGR
Rpm Range1500-7000
Cylinder Head TypeRectangular Port
Part FitmentSemi Universal
Engine Make/SizeGM LS
Vendor Part Number300-133BK
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Carburetor Stud Kit [1 1/2 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15840.jpg)
![Carburetor Stud Kit [2 in. long]](https://www.jegs.com/images/mini_200/500/555/555-15841.jpg)
![4-Barrel Carburetor Base Gasket [Square Flange]](https://www.jegs.com/images/mini_200/500/555/555-16100.jpg)
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
