Mac Piston

Maximally Attenuated Compression

Inspired by the Goat, Rob Maccachren, the MAC piston is the next evolution for External Bypass shocks. Complete coverage, more efficient, less compromise, backwards compatible.

Experience the Difference

Stopping the Bleed

The larger wear band increases the contact area with the body, creating an improved seal and reducing uncontrolled fluid bleed around the piston.

See the Details

  • 2.5" Shock

    Designed for all 2.5 External Bypass Shocks

    MAC Piston (222-01-610) $75.00
    MAC Wearband (002-08-025) $12.50
    O-Rings (029-18-033) $2.00
    Complete Kit Price $91.50

  • 3.0" Shock

    Designed for all 3.0 External Bypass Shocks

    MAC Piston (222-01-611) $90.00
    MAC Wearband (002-08-030) $22.50
    O-Rings (029-18-141) $3.00
    Complete Kit Price $118.50

  • 3.5" Shock

    Designed for all 3.5 External Bypass Shocks

    MAC Piston (222-01-638) $120.00
    MAC Wearband (002-08-035) $25.00
    O-Rings (029-18-146) $3.00
    Complete Kit Price $151.00

  • 4.0" Shock

    Designed for all 4.0 External Bypass Shocks

    MAC Piston (222-01-639) $210.00
    MAC Wearband (002-08-040) $27.50
    O-Rings (029-18-152) $4.00
    Complete Kit Price $245.50

  • 4.4" Shock

    Designed for all 4.4 External Bypass Shocks

    MAC Piston (222-01-640) $210.00
    MAC Wearband (002-08-044) $30.00
    O-Rings (029-18-153) $4.00
    Complete Kit Price $248.00
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