Granatelli Motor Sports
Granatelli ZILLA Black Billet LS Intake Manifold – 120mm Inlet – 980120
Granatelli ZILLA Black Billet LS Intake Manifold – 120mm Inlet – 980120
SKU:980120
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Granatelli ZILLA Black Billet LS Intake Manifold – 120mm Inlet | 980120
Feed your high-performance LS engine the airflow it needs with the Granatelli ZILLA Black Billet LS Intake Manifold – 120mm Inlet. Precision-machined from solid billet aluminum, the ZILLA is engineered for serious naturally aspirated, turbocharged and supercharged LS combinations where airflow, durability and clean packaging matter.
Its large 120mm throttle-body inlet and high-efficiency plenum and runner design make it a strong choice for high-output street cars, drag racing, LS swaps and track builds.
120mm of Billet LS Airflow
Built for LS engines that need more airflow than a factory-style intake can provide.
Key Features
120mm Inlet
Large 120mm throttle-body opening for increased airflow capacity.
Billet Aluminum
Precision-machined from solid billet aluminum for strength and consistent fitment.
Plenum & Runner Design
Engineered to improve airflow distribution and cylinder filling.
Built for Boost
Rated to 45 psi of boost. Designed for naturally aspirated, turbocharged and supercharged LS combinations.
Black Finish
Black Finish for a clean, high-end performance appearance.
Dual Injection
Dual-injection design with 16 injector ports; injector plugs included so you can run 8 injectors.
Made in the USA
Machined by Granatelli Motor Sports in Oxnard, California.
Injector Fitment
The ZILLA uses LS3/LS7/LSA-style length fuel injectors with LS3/LS7/LSA-style O-rings, whether you run 8 injectors with the included plugs or fill all 16 ports.
Injectors that fit include Fuel Injector Clinic LS3/LS7/LSA-style injectors (available in flow ratings such as 540cc and 1440cc high-impedance), Fuel Injector Development injectors from 850cc to 2,200cc in the LSA/LS3/LS7/L76 body and O-ring size, and LS3/LS7-style injectors from Injector Dynamics, DeatschWerks, Bosch and Chevrolet Performance. Size the injectors to your horsepower target and fuel type.
Injector Style: LS3/LS7/LSA-style length and O-ring
Fuel Rails: Included, set up for all 16 injectors
Maximum Boost: 45 psi
Recommended Pairing
Pair the ZILLA 120mm manifold with a Granatelli 120mm drive-by-wire throttle body for a complete high-flow induction package.
Vehicle Fitment: Direct-Fit Applications
The Granatelli ZILLA billet LS intake manifold directly fits these factory LS3, L99 and L76 vehicles:
| Years | Make | Model / Trim | Engine |
|---|---|---|---|
| 2008–2013 | Chevrolet | Corvette coupe and convertible (excluding Z06 and ZR1) | 6.2L LS3 |
| 2010–2013 | Chevrolet | Corvette Grand Sport coupe and convertible | 6.2L LS3 |
| 2010–2015 | Chevrolet | Camaro SS coupe, manual transmission | 6.2L LS3 |
| 2011–2015 | Chevrolet | Camaro SS convertible, manual transmission | 6.2L LS3 |
| 2013–2015 | Chevrolet | Camaro SS 1LE | 6.2L LS3 |
| 2014–2017 | Chevrolet | SS sedan, automatic or manual where offered | 6.2L LS3 |
| 2009 | Pontiac | G8 GXP, automatic or manual | 6.2L LS3 |
| 2010–2015 | Chevrolet | Camaro SS coupe, automatic transmission | 6.2L L99 |
| 2011–2015 | Chevrolet | Camaro SS convertible, automatic transmission | 6.2L L99 |
| 2008–2009 | Pontiac | G8 GT | 6.0L L76 |
| 2007–2009 | Chevrolet | Silverado 1500, L76/Vortec MAX equipped (excluding Classic) | 6.0L L76 |
| 2007–2009 | GMC | Sierra 1500, L76/Vortec MAX equipped (excluding Classic) | 6.0L L76 |
| 2007–2009 | Chevrolet | Avalanche, optional 6.0L engine | 6.0L L76 |
| 2007–2009 | Chevrolet | Suburban 1500, optional 6.0L engine | 6.0L L76 |
| 2007–2009 | GMC | Yukon XL 1500, optional 6.0L L76 engine | 6.0L L76 |
Vehicle Fitment: Australian Holden & HSV Applications
Australian build dates and model-year labels can overlap. Match the series and engine code, especially during changeover years.
| Years | Make | Model / Trim | Engine |
|---|---|---|---|
| 2006 | Holden | Commodore VZ Series II, L76-equipped V8 versions | 6.0L L76 |
| 2009–2010 | Holden | Commodore VE Series I, L76-equipped automatic V8 versions | 6.0L L76 |
| Late 2015–2017 | Holden | Commodore VF Series II SS / SS V / SS V Redline, sedan and Sportwagon where offered | 6.2L LS3 |
| Late 2015–2017 | Holden | Ute VF Series II SS / SS V / SS V Redline, where offered | 6.2L LS3 |
| Late 2015–2017 | Holden | Calais V VF Series II, V8 sedan and Sportwagon | 6.2L LS3 |
| Late 2015–2017 | Holden | Caprice V WN Series II | 6.2L LS3 |
| April 2008–2013 | HSV | E-Series ClubSport R8 / ClubSport R8 Tourer, where offered | 6.2L LS3 |
| April 2008–2013 | HSV | E-Series Maloo R8 | 6.2L LS3 |
| April 2008–2013 | HSV | E-Series GTS | 6.2L LS3 |
| April 2008–2013 | HSV | E-Series Senator Signature | 6.2L LS3 |
| 2013–2015 | HSV | GEN-F ClubSport / ClubSport R8 / R8 Tourer | 6.2L LS3 |
| 2013–2015 | HSV | GEN-F Maloo / Maloo R8 (excluding supercharged versions) | 6.2L LS3 |
| 2013–2015 | HSV | GEN-F Senator Signature, LS3 versions | 6.2L LS3 |
| April 2008–2016 | HSV | Grange, LS3 versions including final Grange SV | 6.2L LS3 |
| 2016 | HSV | ClubSport R8 SV Black | 6.2L LS3 |
| 2016 | HSV | Maloo R8 SV Black | 6.2L LS3 |
ZILLA Intake Manifold FAQ
Which vehicles does the ZILLA fit?
The ZILLA is a direct fit on factory LS3, L99 and L76 vehicles, including the 2008–2013 Corvette and Grand Sport, 2010–2015 Camaro SS (LS3 manual, L99 automatic, including convertible and 1LE), 2014–2017 Chevrolet SS sedan, 2008–2009 Pontiac G8 GT and 2009 G8 GXP, and 2007–2009 L76-equipped Silverado 1500, Sierra 1500, Avalanche, Suburban 1500 and Yukon XL 1500. Australian Holden and HSV L76/LS3 models are listed in the fitment tables above.
Will the ZILLA fit a cathedral-port LS1, LS6 or LQ4?
The ZILLA is designed for LS3-style rectangle-port cylinder heads. Cathedral-port engines are not on its fitment list, so call us before ordering for a cathedral-port build.
Do I have to run all 16 injectors?
No. The dual-injection design has 16 injector ports, and injector plugs are included so you can run 8. Fill all 16 when your fuel system needs it.
What injectors does the ZILLA use?
38mm LS3/LS7/LSA-style length injectors with LS3/LS7/LSA-style O-rings. Size them to your horsepower target and fuel type.
Can I use the ZILLA on a turbo or supercharged engine?
Yes. The ZILLA is rated to 45 psi of boost and is built for naturally aspirated, turbocharged and supercharged LS combinations.
How much boost can the ZILLA handle?
The ZILLA is rated to a maximum of 45 psi of boost.
Which throttle body should I use?
This ZILLA has a 120mm inlet. Pair it with the Granatelli 120mm LS drive-by-wire throttle body.
Do I need a tune?
Yes. A tune is required after installing the ZILLA.
Are fuel rails included?
Yes. Fuel rails are included and set up for all 16 injectors.
Where is the ZILLA made?
Machined by Granatelli Motor Sports in Oxnard, California, USA. Fitment questions? Call 1-805-486-6644, Monday–Friday, 8am–5pm PST.
Fitment Notice: Confirm cylinder-head port style, fuel-system layout, hood clearance and throttle-body compatibility before ordering. A tune is required.
Why Choose Granatelli Motor Sports?
Granatelli Motor Sports has built performance parts since 1949. Our components are designed for real-world street, street/strip, race and show applications, with a focus on dependable construction and practical performance. Questions about fitment? Call us at 1-805-486-6644, Monday–Friday, 8am–5pm PST.
