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Holley 241-478 2-Piece LS Valve Covers with Modern Top - Black

Manufacturer

Picture for manufacturer Holley

Part Number

241-478
8 reviews
Sale Price

$649.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Holley 241-478 is a cast aluminum 2-piece LS valve cover set featuring a clean Modern Top overcover design in a gloss black finish. Designed for Gen III/IV LS engines, these modular valve covers let you retain the performance advantage of coil-on-cover ignition while dramatically improving under-hood aesthetics — no complicated adapter systems or remote coil relocation required.

The base features an OE-height, internally baffled construction with integrated coil mounts compatible with popular Gen I and Gen V style LS coil bodies. The sleek modern-style overcover conceals the coils and wiring harness for a clean, intentional look. Cast-in provisions for spark plug boots and the coil wiring harness mean no extensions or custom wiring is needed.

Key Features:

  • Cast aluminum 2-piece construction — valve cover base plus modern-style overcover
  • OE-height, internally baffled base for proper oil control
  • Integrated coil mounts for Gen I and Gen V style LS coil bodies (coils not included)
  • Modern Top overcover hides LS coils and wiring harness for a clean engine bay appearance
  • Cast-in provisions for spark plug boots and coil wiring harness — no extensions required
  • Gloss black finish for a bold, aggressive look
  • Includes low-profile billet oil fill cap, mounting hardware, spacers, and rubber grommets
  • Sold as a pair

The Holley 241-478 is an ideal choice for LS engine builders and enthusiasts looking to upgrade their engine's appearance without sacrificing the functionality of the factory coil-on-cover ignition system.

Quick shipment of item.

The turbo (s475sx-e) has been my best purchase this year. The order was placed at the end of the workday and Thmotorsports shipped it the very next morning, also the box arrived in magnificent condition, the turbo was picture perfect without a blemish. Thmotorsports was the most affordable out of all ten sites that were considered, with top notch shipping. I have to say Thmotorsports was the best choice for my genuine part.

A dealership broke one of the parts of a rim I have on a car and needed a part in a pinch! Price was great and shipping was incredibly fast! Really happy with the selection and listing such a specific part, other sites just listed part numbers without pictures so THmotorsports made it easy to trust.

Great

Fast shipping Part was what i expected And the price was bellow anything in my area

Good service and quick shipping

good price

fast, delivery! Product arrived as described, look forward to doing business in the future, Thank You!

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Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy