This fabricated dual-plenum intake manifold is designed for GM LS1/LS2/LS6 and LS3/L92 engines, using two separate plenums to improve airflow distribution and even air delivery across all eight cylinders. Long 12.75 in. runners help build low-end torque, making it a strong choice for street and max-effort applications, and it ships with a 3/8 in. fuel rail kit featuring a laser-engraved Sniper logo.
Specifications:
- Fits: GM LS3/L92 engines
- Injector compatibility: EV1-style injectors only
- Design: Dual plenum, fabricated
- Throttle bore: 102mm (twin bore)
- Runner length: 12.75 in.
- Construction: 3mm (1/8 in.) T6061 sheet aluminum, 100% TIG welded
- Finish: Silver with black anodized accents
- Includes: 3/8 in. fuel rail kit (laser-engraved Sniper logo), gaskets and hardware
- Rated capacity: 750+ horsepower
- Part Number: 822241
The tapered plenum design increases air velocity to each bank's intake ports, evening out airflow distribution across all eight cylinders.
FAQ
What engines does this intake manifold fit?
It's designed for GM LS1/LS2/LS6 and LS3/L92 engines.
What injectors are compatible?
This manifold only accepts EV1-style fuel injectors.
What's included with the manifold?
It comes with a 3/8 in. fuel rail kit featuring a laser-engraved Sniper logo, plus all gaskets and hardware needed for installation.
How much horsepower can this manifold support?
The dual plenum design and fuel rail kit are rated to support 750+ horsepower.

