High-Strength Cylinder Cover Fastening Bolt for Engine Assemblies

High-Strength Cylinder Cover Fastening Bolt for Engine Assemblies

This high-strength cylinder cover fastening bolt is designed for secure and reliable attachment of engine valve covers in demanding automotive environments. Manufactured from premium 35CRMO alloy steel, it delivers superior durability and stability under high-stress and high-temperature conditions commonly found in modern engines.

The bolt undergoes a precision black surface treatment that enhances corrosion resistance and provides a clean, professional appearance. With an accurate 145±0.8 mm length specification, it ensures proper seating, consistent torque application, and leak-free installation. Its 10.9 mechanical property rating guarantees excellent tensile strength and long-term reliability.

Engineers, mechanics, and automotive enthusiasts will appreciate the flawless finish with no flash or burrs, ensuring smooth handling and effortless installation. Ideal for engine rebuilds, maintenance, and custom work, this bolt offers dependable performance and a secure fit for valve cover assemblies.

Product information:
Material: 35CRMO
Process: black surface treatment
Length: 145±0.8

Feature:
No flash burr
Mechanical property class 10.9
Black surface treatment

Packing list:

Screw*1