COMPATIBLE:
2004 - 2005 CADILLAC CTS-V (5.7L-LS6)
1998 - 2002 CHEVROLET CAMARO (5.7L-LS1)
1997 - 2004 CHEVROLET CORVETTE (5.7L-LS1)
2001 - 2004 CHEVROLET CORVETTE Z06 (5.7L-LS6)
2005 - 2008 CHEVROLET CORVETTE (6.0L-LS2)
1998 - 2002 PONTIAC FIREBIRD (5.7L-LS1)
Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
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The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960’s.
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The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power.
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Carbureted and EFI versions available
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Power band from 1500-7000 rpm
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Appropriate for any street/performance, muscle car, or street rod enthusiast
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Cast aluminum construction
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Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads
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Carb Flange Center-To-Center: 8-5/8”
Basic Operating RPM Range |
1500-6500 RPM |
|---|---|
Brand |
Holley EFI |
Carburetor Flange |
Square/4150 |
Category Filter |
Intake Manifolds |
Clearance Category |
Intake Manifolds |
Color |
Black |
Construction |
Cast |
EGR Port |
No |
Emission Code |
4 |
Engine |
GM LS1/LS2/LS6 |
Finish |
Black |
Front Height |
4.47 inch |
Front Maximum Height |
4.47 IN |
Fuel System Type |
EFI |
Grade Type |
Performance |
Intake Port Gasket(s) Included |
No |
Manifold Type |
Dual Plane |
Material |
Aluminum |
Nitrous Bung(s) Included |
No |
Plenum Finish |
Black |
Product Type |
Intake Manifold |
Rear Height |
5.54 inch |
Rear Maximum Height |
5.54 IN |
Removable Runners |
No |
RPM Power Band |
1500-6500 RPM |
Single Or Dual Plane Type |
Dual Plane |
Throttle Body Included |
No |
Warranty |
Limited 90 Day |
UPC |
090127715857 |
Part Number |
300-121BK |
ABOUT HOLLEY PERFORMANCE
For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.
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