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  • Specifications

    Machined from: Solid Bar Stock Steel
    Finish: Blued Carbon Steel
    Checkering: 25 LPI (Lines Per Inch)
    Compatible with: STIs

  • Product Details

    The checkering on this mainspring housing helps get the weight in the right place and gives you good traction.

    Pins and springs do not come with this part. You can use the pins and springs from your original mainspring housing or purchase new parts from us.

    This mainspring housing makes a great replacement for plastic mainspring housings.

    This is our premium mainspring housing, designed and made by EGW.

    Fully machined from bar stock, sandblasted, and then hot blued.



    Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc. For more information, go to www.P65Warnings.ca.gov.
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    You're reviewing:STI Mainspring Housing 25 LPI Blue