This Lo-Ram intake manifold kit is designed for GM LS Gen III/IV engines with LS3/L92 cylinder heads and is built for forced-induction (supercharged or turbocharged) applications. The low-profile base manifold is designed to package with a plenum-mounted air-to-water intercooler in a top-feed configuration.
Specifications:
- Engine: GM LS3/L92
- Manifold Type: Lo-Ram, top-feed, single injector
- Finish: Black
- Material: Cast aluminum
- Basic Operating RPM Range: 3,500-8,000
- Throttle Body Bore: 105mm, gasket included
- Maximum Height: 9.25" without intercooler
- Fuel Rails: High-volume, 3/4"-16 O-ring (-8AN) ports, mounting hardware included
- Recommended Use: Forced induction
- Part Number: 300-679BK
Available with both single and dual fuel rails for eight and sixteen injector configurations.
FAQ
What cylinder heads does this manifold work with?
It's designed for GM LS Gen III/IV engines with LS3/L92 cylinder heads, OE or aftermarket.
Is this manifold intended for forced induction?
Yes, it's designed for supercharged or turbocharged applications and pairs with a 105mm throttle body.
What injector configurations are available?
This is the single-injector version; dual-rail versions for eight and sixteen injector setups are also available.

