CNC Machined Valve-cover-manufacturer-tirapid

China Custom Valve Cover Manufacturer

Custom machining to meet your specific needs

Custom Valve Cover Manufacturing

Regarding custom valve coves, Tirapid makes parts that always comply with different industry standards (such as ISO/TS 16949/ISO 14001). Our custom bonnet business has earned a reputation for quality over the years for perfectly fitting dimensions defined by customer drawings. Contact Tirapid’s online experts today to find the most suitable specialist for your custom bonnet business to meet your manufacturing needs.

Custom Valve Cover Series

  • Custom-Aluminum-Valve-Covers-tirapid
    Custom Aluminum Valve Covers

    Aluminum bonnets are one of the most custom lines for tuners. The light weight of aluminum improves the overall performance of automobile engine units. And it often has the advantage of long service life due to its resistance to engine oil corrosion.

  • Custom-Billet-Valve-Covers-tirapid
    Custom Billet Valve Covers

    Custom billet valve covers materials are usually solid blocks such as aluminum and steel, which offer the unique advantage of preventing oil spills and the risk of warping. Tirapid offers powder-coated, polished, anodized finishes to create the aesthetics car enthusiasts desire.

  • Custom-Engraved-Valve-Covers-tirapid
    Custom Engraved Valve Covers

    Car Modification Enthusiasts often opt for engraved bonnets for an exclusive look with custom bonnets. The engraved bonnet highlights the ornamental value of the particular engraving through CNC processing required by customers.

  • Custom-Rocker-Covers-tirapid
    Custom Rocker Covers

    Tirapid is a professional design expert when it comes to custom rocker covers. While meeting your design concept, we provide suitable technologies such as stamping, sheet metal, and precision machining technologies to manufacture compatible rocker cover parts for you.

Get a Custom Valve Cover in Four Simple Steps

Receive the drawing file you sent(CAD/PDF/STP)
Provide suitable order quotation
Start to Manufacturing and Check Standard
Ship Your valve covers parts

Advantages of Custom valve covers

—Do not limit the scope of customized business (such as customized large and small batches)

—With professional production workshop and technology (sheet metal, stamping, 5-axis machining, milling, turning, micromachining, etc.)

—Follow industry production bonnet standards (such as ISO 9001)

—All materials and grades required for custom bonnets are available (such as aluminum, steel, stainless steel, titanium, copper, PVC, ABS, PEEK, Teflon, POM, etc.)


Surface Finishing Options






powder coating



Why Choose Tirapid Custom Valve Covers

15 years of experience in handling custom bonnets make Tirapid a long-term partner for modified car enthusiasts and aftermarket auto parts dealers. Tirapid specialists are happy to face the demands and challenges of their daring bonnet fabrications. If you happen to be facing the problem of bonnet manufacturing, Tirapid will be your best solution expert.


Tirapid is Your Reliable Custom Valve Cover Supplier in China.

Tirapid team has helped many partners expand their business and increase production. Get in touch with our team to get a free quote for your project!

Contact Us:+86 186 6619 8937

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