If you’re upgrading or replacing a B-series valve cover with bungs, this guide highlights five solid options chosen for their fit, sealing quality, and durability. These products are best for enthusiasts restoring or optimizing B16, B18, and related Honda engines. The top picks cover billet aluminum bolt kits, low-profile hardware, and gaskets to help prevent leaks and simplify maintenance. Below, each product is explained with who it’s best for and why it stands out. A quick buyer’s table is provided for easy comparison.
| Product | Best For | Why It Stands Out |
|---|---|---|
| Bevinsee 16PCS Válvula Cover Washer Seals Bolt Nuts Kit (Black) | Performance builds needing durable seals | Aircraft-grade billet 6061-T6 aluminum; VITTON seals for oil containment |
| Dewhel B-SERIES B16/B17/B18 VTEC Low-Profile Hardware (Black) | Low-profile, clean engine bay look | Low-profile aluminum hardware; compatible with common B-series engines |
| Bevinsee 16PCS Valve Cover Washer Seals Bolts Kit (Red) | Showpiece builds with bold styling | Same CAD-designed billet quality and Vitton sealing |
| Proform Valve Cover, Tall, Baffled, Breather Hole, Chrome (Mopar B/RB) | Classic Mopar builds needing tall, baffled cover | Chrome finish; tall, baffled design for oil management |
| Skunk2 649-05-0115 Valve Cover Washer, Black Anodized | Low-profile dress-up and cleanliness | Black anodized washers to complement low-profile hardware |
Bevinsee 16PCS Válvula Cover Washer Seals Kit – Black
Best for builders seeking strong sealing and precision fit. This kit uses CAD-designed billet 6061-T6 aluminum bolts and Vitton seals to reduce oil leaks and ensure durability. The product is aimed at Honda B-series engines including B16 and B18 variants with VTEC, and is compatible with Civic Si and Acura Integra models from the specified years. The kit’s hard-anodized finish resists wear, making it suitable for daily drivers and track-ready builds alike.
Who it’s best for: Enthusiasts needing a robust, corrosion-resistant valve cover bolt kit with reliable seals for long-term oil containment. It’s a good upgrade for those who want an eye-catching, durable addition to the engine bay.
Limitations to consider: This kit focuses on valve cover bolts and seals; ensure your valve cover requires this exact bolt pattern and seal type for your engine model.
Dewhel B-Series B16/B17/B18 VTEC Low-Profile Hardware – Black
This option is best for builders prioritizing a low-profile appearance that still delivers solid hardware. It’s designed to fit B-Series VTEC engines, with compatibility across key models like B16A2/A3, B17A1, B18C1, B18C5. The lower profile can help with clearance in tight engine bays and when using aftermarket valve covers. The kit pairs well with matching low-profile valve covers to maintain a clean look while keeping a secure seal.
Who it’s best for: Builders seeking a sleek, low-profile setup that reduces protrusion and clutter in the engine bay while maintaining reliable sealing.
Limitations to consider: Only suitable for VTEC B-series engines; verify your specific engine code and valve cover compatibility before installing.
Bevinsee 16PCS Valve Cover Washer Seals Kit – Red
Best for show-ready builds needing a bold accent in the engine bay. Like the black version, this red kit uses CAD-designed billet aluminum and Vitton seals to promote lasting oil containment. The red finish provides a striking contrast that can complement red- or black-themed engines and brackets. It’s well-suited for weekend racers or enthusiasts who want a high-visibility component that still delivers a tight seal.
Who it’s best for: Car owners who want a visually striking upgrade without compromising on sealing performance. Red hardware adds personality to the engine bay.
Limitations to consider: Finishes are cosmetic; ensure the underlying hardware meets your torque and fit needs for your specific valve cover.
Skunk2 649-05-0115 Valve Cover Washer – Black Anodized
Best for those upgrading with a low-profile valve cover and seeking dress-up washers. Skunk2’s black anodized washers offer a clean, uniform appearance that complements low-profile hardware. They’re designed to fit with compatible valve cover hardware, adding a finishing touch to the engine bay. Choose this if you want a cohesive, understated look that pairs well with other black or dark-tone components.
Who it’s best for: Builders focusing on aesthetic cohesion and simple, clean engine bays where a low-profile finish matters.
Limitations to consider: Washers are one part of the hardware set; ensure compatibility with your current valve cover bolts and grommets.
Dewhel B-SERIES Silver Low-Profile Hardware
Best for those who want a bright, high-contrast hardware kit that remains compact. This silver low-profile kit is designed for the B-Series with VTEC engines and features compatibility with the same B16A/B17A/B18C family. The lighter color can help mirror other chrome or silver accents in the engine bay and can aid visibility during maintenance checks. It’s a solid choice for clean, professional-looking builds.
Who it’s best for: Builders preferring bright, reflective hardware that stands out against darker engine components.
Limitations to consider: Silver finishes may show wear more readily than darker finishes over time; regular cleaning can help maintain appearance.
Buying Guide
What should you consider when selecting B-series valve cover hardware with bungs?
- Engine compatibility: Confirm your exact B-series model (e.g., B16A2, B18C5) and that the kit supports VTEC if applicable.
- Material and finish: Billet aluminum offers strength and light weight; anodized finishes (black, silver, red) improve durability and appearance but may require care to avoid scratches.
- Sealing system: Look for high-quality Vitton or equivalent seals to minimize oil leaks and extend gasket life.
- Profile and clearance: Low-profile hardware helps in tight engine bays; tall or baffled designs can aid oil management in certain setups.
- Aesthetics vs. practicality: Choose a look that matches your build plan while ensuring reliable sealing and fit.
Practical considerations
- Torque requirements: Use manufacturer-specified torque to avoid overtightening and gasket damage.
- Compatibility with gaskets: Some kits include gaskets and plugs; verify what’s needed for your valve cover and engine.
- Installation environment: For show cars, cosmetics may be prioritized; for daily drivers, focus on sealing reliability and corrosion resistance.
Quick comparison tips
- Best for sealing and durability: Bevinsee Black or Red kits with Vitton seals.
- Best for low-profile engines: Dewhel Black or Silver low-profile hardware.
- Best for appearance-focused builds: Skunk2 washers or Bevinsee red with bold color.
FAQ
- What is a valve cover with bungs used for? It provides threaded ports for breather hoses or oil return lines and helps seal the engine.
- Are billet aluminum kits more durable than steel? Yes, billet aluminum offers high strength-to-weight and corrosion resistance, with precise machining for a tight seal.
- Do these kits fit all B-series engines? Most kits target B16, B18, and B17 families; verify exact model compatibility before purchase.
- Will these kits prevent oil leaks? When used with proper gaskets and seals (like Vitton), they improve containment, though installation quality matters.
- Is low-profile hardware better for clearance? Usually yes, especially in tight engine bays; verify clearance with your valve cover and intake components.
- Can I mix different finishes? Mixing finishes is possible for style, but ensure you maintain consistent sealing performance across bolts and seals.