Holley Dual Plane Intake - GM LS1/LS2/LS6
All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
$260.06 Holleydays Price
Starting at $23 a month with Learn More
- 1500-6500 RPM power band
- 4150 Square bore flange
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 1500-6500 RPM
- 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 15.14 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 - 2.72" height x 1" wide
- Mounting flange gasket type - O-ring
- Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers
|Flange Style||4150 Square Bore|
|Front Height||5.07 inch|
|Fuel System Type||Carb|
|Manifold Type||Dual Plane|
|Rear Height||6.14 inch|
|RPM Power Band||1500-6500|
|Warranty||Limited 90 Day|
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only 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
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street
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
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.