Holley Plenum Top for 300-621 Modular Ultra Lo-Ram Intake Bases [Satin Finish]
510-300-604
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![Plenum Top for 300-621 Modular Ultra Lo-Ram Intake Bases [Satin Finish]](http://www.jegs.com/images/photos/500/510/510-300-604.jpg "Plenum Top for 300-621 Modular Ultra Lo-Ram Intake Bases [Satin Finish]")
Intake Manifold Tops [Lids]
Holley 300-604 Features:
- Plenum top for Holley Modular Ultra Lo-Ram EFI Intake Manifold 300-621
- Designed for GM LS Gen III and IV engines equipped with GM LS1/LS2/LS6 cathedral port cylinder heads
- Bolt-through design
- Non-burst panel
- Cast aluminum construction with a satin finish
Note: Plenum top casting can be machined for a 6 1/8 in. x 3 1/8 in. burst panel
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Do they make this in black ?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.