Holley 300-136 Single Plane EFI LS Intake Manifold Rectangular Port - GM LS3/L92

Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads

Features:

• 2500-7000 RPM power band
• 4150 Square bore flange
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
• Minimum carb flange height - fit in vehicles with minimum hood modifications
• Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS mild power adder applications
• Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
• Weight - 11.5 lbs.
• Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange and bellhousing flange
• Port size - 2.50" height x 1.15" wide
• Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
• This manifold will not work with factory fuel rails and requires the use of Holley Fuel Rail Kit 534-218

Specifications:

• Brand: Holley EFI
• Color: Silver
• Construction: Cast
• Emission Code: 3
• Engine: GM LS3/L92
• Finish: Silver
• Flange Style: 4150 Square Bore
• Front Height: 5.417 inch
• Fuel System Type: EFI
• Manifold Type: Single Plane
• Product Type: Intake Manifold
• Rear Height: 5.417 inch
• Recommended Use: Forced Induction
• RPM Power Band: 2500-7000 RPM
• Warranty: Limited 90 Day
• Part Number: 300-136

Emissions:

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

1965 and older U.S. manufactured California Certified vehicles
1967 and older U.S. manufactured Federally Certified vehicles
1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:

1966 and newer U.S. manufactured California Certified vehicles
1968 and newer U.S. manufactured Federally Certified vehicles
1968 and newer Foreign manufactured vehicle