1. Engine Rocker & Valve Covers Items
  2. sku: 10795536853340853
  3. SPEEDMASTER 840136539148

SPEEDMASTER Outlet Valve Cover Tall Hole 840136539148

fits model: 454. make: Chevy.

Speedmaster Outlet 840136539148 Chevy Bbc 454 Aluminum Plain Valve Cover - Tall Without Hole

( Brand: Speedmaster ), ( Type: 314 Valve Cover ), ( UPC: 840136539148 )

Review SPEEDMASTER Outlet Chevy Bbc Aluminum Plain Valve Cover Tall Without Hole fits 454

Introducing the Speedmaster Outlet 840136539148, a high-performance valve cover designed specifically for Chevy BB (Big Block) 454 engines. This valve cover boasts several unique features that set it apart from conventional valve covers.

First and foremost, the Speedmaster Outlet 840136539148 is engineered to accommodate the tall oil filter housing found in some 454 engines, making it a perfect fit for those applications. The tall hole design allows for easy installation without the need for modifications or adapters.

Crafted from premium-grade aluminum, this valve cover is both lightweight and durable. Its sleek, polished finish not only enhances the visual appeal of your engine but also provides superior corrosion resistance. Additionally, the cover is CNC-machined for precision and accuracy, ensuring a perfect fit and optimal sealing.

The Speedmaster Outlet 840136539148 comes with eight (8) AN-style oil outlets, providing ample flow for high-performance applications. Each outlet is equipped with a durable O-ring seal to prevent leaks and maintain a clean engine bay. The cover also features a deep well design for improved oil capacity and better crankcase ventilation.

This valve cover is designed to accommodate most aftermarket oil pumps, making it an excellent choice for those looking to upgrade their 454 engine. It also comes with a breather kit, which includes a breather tube and a baffled breather plate, ensuring proper crankcase ventilation and preventing oil foaming.

In summary, the Speedmaster Outlet 840136539148 is a high-quality, high-performance valve cover engineered specifically for Chevy BB 454 engines with tall oil filter housings. Its lightweight yet durable design, tall hole for easy installation, eight AN-style oil outlets, and deep well for improved oil capacity make it an excellent choice for those seeking to maximize the performance of their 454 engine.

Pros and Cons of Buying a Chevy BBC 454 Valve Cover (Speedmaster Outlet Part Number 840136539148)

Introduction:

The Chevy BBC 454 engine is a legendary powerplant known for its high performance and durability. One crucial component of the BBC engine is the valve cover, which seals the top of the engine and protects the valves from external elements. In this analysis, we will discuss the pros and cons of purchasing a Speedmaster Outlet BBC 454 valve cover with part number 840136539148.

Pros:

1. High-quality materials: Speedmaster Outlet is known for manufacturing top-notch aftermarket automotive parts. The BBC 454 valve cover is engineered using superior materials, ensuring durability and resistance to wear and tear.

2. Tall hole design: This valve cover comes with a tall hole, which is essential for clearance when using oversized valve springs or other performance modifications.

3. Affordability: Compared to OEM alternatives, the Speedmaster Outlet BBC 454 valve cover is more cost-effective, making it an attractive option for budget-conscious enthusiasts.

Cons:

1. Potential fitment issues: Since aftermarket parts may not always fit perfectly, there is a possibility of encountering minor fitment issues. Double-checking the dimensions and compatibility with your specific BBC engine is crucial to ensure a proper fit.

2. Lack of OEM warranty: Aftermarket parts like the Speedmaster Outlet BBC 454 valve cover do not come with the same warranty coverage as OEM parts. This may be a concern for those seeking peace of mind and protection against manufacturing defects.

Conclusion:

The Speedmaster Outlet BBC 454 valve cover (part number 840136539148) offers several advantages, including high-quality materials, tall hole design, and affordability. However, it also comes with potential fitment issues and lacks the warranty coverage of OEM parts. Ultimately, the decision to purchase this aftermarket valve cover depends on your personal priorities, budget, and engine configuration. If you value performance and cost savings while accepting the risk of potential fitment issues, the Speedmaster Outlet BBC 454 valve cover is worth considering. On the other hand, if you prioritize OEM parts and warranty coverage, you may want to explore alternative options.

Recommendation:

Before making a purchase, make sure to thoroughly research the Speedmaster Outlet BBC 454 valve cover (part number 840136539148) and verify its compatibility with your specific engine configuration. Consult online forums, consult with knowledgeable professionals, and review customer feedback to help inform your decision. If you're confident in the fitment and the benefits of the aftermarket valve cover, it can be an excellent choice for budget-conscious BBC engine enthusiasts.

Details:

Chevy BBC 454 Aluminum Plain Valve Cover - Tall w/o Hole.

specifications rockercove:

  • for models: 454
  • for makes: Chevy
  • brand: Speedmaster
  • type: 314 Valve Cover
  • upc: 840136539148

shipping rockercove:

  • carrier: FedEx
  • transit: 4-9 Days
  • service: FedEx Ground / FedEx Home Delivery, FedEx Express Saver
  • cost: $44.68
  • class: Standard, Expedited
  • type: Calculated

returns rockercove:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

general rockercove:

  • condition: Used
  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers

payments rockercove:

  • wallet: Apple-pay
  • other
  • credit card: Discover

offer rockercove:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • started: December 22, 2025

seller rockercove:

  • # reviews: 87374
  • rating: 97.1%
  • city: Rialto, California
for models: 454, for makes: chevy, type: 314 valve cover,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, sku: 10795536853340853,

Speedmaster 840136539148 Is Similar To:

rockercove logo
1 offer $122.83 USD
  • Offer #1: $122.83 price + $0.00 shipping estimate = $122.83* total. Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers. Title: Speedmaster PCE314.1027.01 Fits Chevy BBC 454 Aluminum Plain Valve Cover - Tall w/o Hole.FREE SHIPPING

Copyright © rockercove.com