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Upgrade & Option Parts

  • 2026 Aluminum Caster Block Set
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    Team GFRP

    2026 Aluminum Caster Block Set

    SKU: GFR-1618

    $39.95

    Black anodized aluminum caster block set with two 0*, 5*, 10* inserts. Designed for the GFR-1426 and GFR-1427 70mm arm. 

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  • Big Bore Low Frequency Spring Kit
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    Quasi Speed

    Big Bore Low Frequency Spring Kit

    SKU: QS-1930

    $38.95

    1.7" Big bore spring kit with low frequency springs. Includes the following:  3.5, 4.5, 5.5, 6.5, 7.5, 8.5 pound springs

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  • Titanium Hinge Pin Kit
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    Quasi Speed

    Titanium Hinge Pin Kit

    SKU: QS-4116

    $32.95

    Full titanium hinge pin kit.  Fits: -2023 to 2024 Apollo -2021 to 2024 Assault -2021 to 2024 Assailant -2022 GFR1 -2023 to 2025 Hustler -2023 Weapon  

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  • Big  Bore Rated Shock Spring Set
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    Quasi Speed

    Big Bore Rated Shock Spring Set

    SKU: QS-1900

    $44.95

    1.7" Big Bore Rated Shock Spring Set Includes These Pound Springs: 4, 5, 6, 7, 8, 9, 10 Rate Color QS-1904 white QS-1905 red QS-1906 green QS-1907 purple QS-1908 black QS-1909 silver QS-1910 gold

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  • Small Bore  Rated Spring Set (1.80 length)
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    Quasi Speed

    Small Bore Rated Spring Set (1.80 length)

    SKU: QS-1800

    $49.95

    1.80 Length Rated Spring Set  Includes These Weight Springs in pairs 4, 5, 6, 7, 8, 9, 10, 12 Rate Color QS-1804 white QS-1805 red QS-1806 green QS-1807 purple QS-1808 black QS-1809 silver QS-1810 gold QS-1812 grey

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