Haytalras 300-116 GM LS3 L92 Rectangle Port 92mm Hi-Ram EFI Intake Manifold 6.0L 6.2L

300-116 Hi-Ram EFI Intake Manifold for Rectangle Port LS

A 92mm Hi-Ram EFI intake manifold for GM LS engines with rectangle port heads (LS3, L76, L92, L99). Built for big-cube, high-rev race engines up to about 427–440 cu. in. and 7,500–8,500 RPM depending on the combination, where hood height isn’t a limitation.

• Long runners with an as-cast tapered cross-section that works across many engine combinations
• Longitudinal plenum top
• Fuel rails machined for -8 AN O-ring fittings, sized for high fuel flow
• Accepts EV1 or Pico style injectors
• 92mm throttle body opening; 12.32 in. tall

Fitment

LS3 / L76 / L92 / L99 engines (6.0L / 6.2L), including these original applications and swaps using them:

• 2010–2015 Chevrolet Camaro
• 2008–2013 Chevrolet Corvette
• 2014–2017 Chevrolet SS
• 2009 Pontiac G8
• 2007–2008 Cadillac Escalade / ESV / EXT
• 2007–2008 GMC Sierra 1500, Yukon, Yukon XL 1500
• 2008 Chevrolet Tahoe; 2008 Hummer H2

Full specifications are in the Specifications tab.

What’s Included

• 1 × Hi-Ram intake manifold
• 1 × fuel rail kit
• Additional parts as shown in the product photos

“This thing is a GAME CHANGER!!!!!! Buy it now it’s a must have for any LS build….”Kendi Celeste R., verified customer

Why Haytalras

• Built in our own factory. We cast and CNC-machine our intake manifolds in-house. The same factory has produced intake manifolds for Holley, TSP and Professional Products.
• Checked before it ships. Every manifold goes through air-tightness, dimensional and visual inspection.
• Ships from the US. Free shipping from our California and Georgia warehouses, out the door within 24 hours, usually delivered in 3–7 days.
• Backed by us. 30-day free returns and a 1-year warranty on casting defects.

Frequently Asked Questions

Will this fit my LS1 or LS6?

No. LS1/LS2/LS6 use cathedral port heads. Choose the 300-122 (92mm) or 300-123 (102mm).

Will it fit under my stock hood?

In most vehicles, no. At 12.32 in. tall, plan on a cowl hood or hood modification.

Not sure it fits?

Email haytalras@gmail.com with your engine code and cylinder head casting number and we’ll confirm before you order.