The P/N 300-605 & 300-605BK Lo-Ram plenum tops are designed as part of the Holley LS front-feed Lo-Ram EFI intake manifold kits. The front feed Lo-Ram kits are intended for boosted engine applications where the requirement of a intake manifold plenum burst panel may be recommended to protect the engine from intake plenum back-fire. The 300-605 plenum top is machined for a standard "large" 6-1/8" x 3-1/8" burst panel. SFI approved burst panels, burst panel frame sets, and gaskets may be purchased from various manufacturers such as Allstar Performance or Specialty Fasteners.
- Plenum Top Fits To All LS Front-Feed Lo-Ram Intake Manifolds
- Plenum Top Is Machined For A Standard Large
- Modular Design Allows Customization For User Configurations
- Flange Seal O-Ring Cord/Mounting Fasteners Included
- Compatible With Holley Lo-Ram Billet Burst Panel Duct
Holley Performance Emission Code 8: This product is engineered to facilitate the installation of a later model; emissions friendly engine into a vintage/classic vehicle. Federal guidelines indicate that an engine swap is allowable if one or more of the following conditions apply: If there is a reasonable basis for knowing that emissions are not adversely affected as described in EPA Memo 1A/The resulting vehicle is identical (with regard to all emissions related parts; engine design parameters and engine calibrations) to a certified configuration of the same or newer model year as the vehicle chassis/The vehicle is a uncontrolled vehicle-Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles. Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles/An EO legal engine swap kit is utilized (such as a GM EROD)/The vehicle is being used for Competition Use Only-Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. NOTE: Consumers are responsible for complying with laws prohibiting tampering; and for ensuring that modified vehicles are operated in a manner that complies with applicable laws.
About Holley Performance Products
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
Ask a question about
Holley EFI Lo-Ram Plenum 300-605: