Description
Backup washers are essential fastening components that distribute load and prevent fastener pull-through on soft materials or thin substrates—critical when assembling intake manifolds, valve covers, or custom fabrication work. Aluminum construction offers corrosion resistance and lightweight performance without sacrificing durability, making these washers ideal for engine bay applications and high-temperature environments. Whether you’re rebuilding a race engine or securing aftermarket components, having quality backup washers on hand eliminates delays and ensures professional-grade assembly.
- Material: Aluminum
- Size: 3/16 inch
- Quantity: 100 pack
- Application: Load distribution, fastener backing
- Corrosion resistant: Yes
- MPN: 818-100A
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