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This kit includes spare parts for the Subzero Competition Mod.
1x Black delrin button piece
1x Lockring spring
2x Lock ball bearings
1x Upper o-ring
1x Lower o-ring
Only 4 left in stock
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The 4 Piece Silver Plated Contact Kit for the Sub Zero Competition Mod
NOTE: The needle contact (#1 in picture) requires special tools and care to install. Recommended for advanced users only. The other 3 pieces are very easy to install, and will still provide a performance increase. Please watch the installation video here.