Haytalras 300-117 GM LS3 L92 Rectangle Port 102mm Hi-Ram EFI Intake Manifold 6.0L 6.2L

300-117 102mm Hi-Ram EFI Intake for LS3 / L92 Rectangle Port

A 102mm 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 where hood height isn't a limit: up to about 427–440 cu. in. and 7,500–8,500 RPM depending on the combination. Long runners with an as-cast tapered cross-section work across a wide range of engine setups.

• 102mm throttle body opening
• Longitudinal plenum top
• Included fuel rails machined for -8 AN O-ring fittings, sized for high fuel flow and to dampen pressure pulsations
• Accepts EV1 or Pico style injectors
• Height: 12.32 in.

Engine and Vehicle Fitment

• LS3, L76, L92, L99 and other rectangle port 6.0L / 6.2L LS engines, standard deck
• 2008–2013 Corvette; 2010–2015 Camaro; 2014–2017 Chevy SS; 2007–2008 Escalade, Yukon and Sierra 1500; 2008 Tahoe and H2 with the 6.2L

See our LS3 / L92 Hi-Ram fitment guide and dyno test. 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

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

92mm or 102mm?

The 102mm 300-117 suits larger, higher-revving engines; the 92mm 300-116 fits a 92mm throttle body and milder combinations.

Not sure it fits?

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