HOLLEY EFI
LS ULTRA LO-RAM PLENUM TOP
Satin Finish with Burst Panel recess
Part # 300-605
The P/N 300-605 & 300-605BK Ultra Lo-Ram plenum tops are designed as part of the Holley LS Ultra Lo-Ram EFI intake manifold kits. The Ultra 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. P/N 300-605 has an as-cast satin finish and P/N 300-605BK has a powder-coat black finish. Flange seal o-ring cord and the mounting fasteners are included in the kit.
Features:
- This Plenum top fits to all LS Ultra Lo-Ram Intake manifolds
- Holley Ultra Lo-Ram 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)
- Modular Lo-Ram design allows user customization for your induction system
- Flange seal o-ring cord and the mounting fasteners are included in the kit
- Compatible with Holley Lo-Ram billet burst panel duct P/N’s 300-608 (clear anodized) & 300-608BK (black anodized)
| Brand | Holley EFI |
|---|---|
| Burst Panel Compatible | Yes |
| Color | Silver |
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Silver |
| Fuel System Type | EFI |
| Manifold Type | Ultra Lo-Ram |
| Product Type | Intake Manifold Top |
| Recommended Use | Forced Induction |
| Warranty | Limited 90 Day |
| UPC | 090127079508 |
| Part Number | 300-605 |
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