Granatelli Motor Sports
Granatelli MEGAZILLA Billet LS Intake Manifold + Twin 103mm Throttle Body Package – 980103
Granatelli MEGAZILLA Billet LS Intake Manifold + Twin 103mm Throttle Body Package – 980103
In Stock—More than 10 available

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Built to order — ships in 6–8 weeks. The MEGAZILLA manifold is machined to order. Your throttle bodies ship with the manifold.
MEGAZILLA Twin 103mm Intake + Throttle Body Package
Everything you need from Granatelli Motor Sports for a twin-throttle-body MEGAZILLA setup in one order: the MEGAZILLA 980103 black billet LS intake manifold with fuel rails, plus two matching Granatelli 103mm drive-by-wire throttle bodies. Pick your throttle body finish above.
What's in the Package
Also Required (Not Included)
- 2-to-1 drive-by-wire throttle body adapter harness to run both throttle bodies. Granatelli Motor Sports does not sell this harness.
- A tune is required after installation.
Key Specs
- Fits GM LS engines with square-port (LS3/L92-style) heads — LS3, L99 and L76. See the full vehicle fitment table on the MEGAZILLA page.
- MEGAZILLA manifold rated to 75 psi of boost
- Granatelli 103mm throttle bodies rated to 35 psi of boost, factory-style GM 6-pin drive-by-wire connector
- Precision-machined billet aluminum manifold, black anodized
- Made in the USA
Questions about your build? Call Granatelli Motor Sports at 1-805-486-6644, Monday–Friday, 8am–5pm PST.

