Holley Plenum O-Ring Cords 508-21 Gaskets, Cord, 4.5 ft. Long, 3/32 in. Diameter, Hi-Ram, Chevy, LS, Each
Holley Plenum O-Ring Cords 508-21 Gaskets, Cord, 4.5 ft. Long, 3/32 in. Diameter, Hi-Ram, Chevy, LS, Each
Description
Plenum Gasket - Holley Hi-Ram Top Plenum - GM LS-Series - Each
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:16:24
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: ring)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Holley, Hilborn, Holley Efi, Retrobright, Terminator X |
| StreetFX SKU | hly508-21 |
| SFX Item ID | 4783516 |
| Accounting SKU | hly-508-21 |
| Manufacturer SKU | 508-21 |
| Manufacturer UPC | 090127681831 |
| Alternative References | 508-21, HLY-508-21, HOL508-21 |
Gaskets, Plenum O-Ring Cord, 4.5 ft. Long, 3/32 in. Diameter, Hi-Ram, Chevy, LS, Each
Holley offers all of the components that you need to service your intake manifold. Their plenum O-ring cords are constructed from top-quality Viton® and allow you to cut and glue the O-ring size you need.
| Product Attributes | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | 508-21 |
| Part Type | Intake Manifold Gaskets |
| Product Line | Holley Plenum O-Ring Cords |
| UPC | 090127681831 |
| Thickness (in.) | 0.094 |
| Port Style | Holley Hi-Ram |
| Upper Intake Manifold Plenum Gasket Included | Yes |
| Quantity | Sold individually. |
| Notes | Includes 4.5 ft. of O-ring cord. |
Compatibility
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