Crafted from aerospace-grade Grade 5 titanium (Ti-6Al-4V), this OTK-style 10x90mm kingpin is a high-performance upgrade for competitive kart racers. Designed to fit full-size OTK chassis including Tony Kart, Kosmic, Alonso, FA, Exprit, Redspeed, Gillard, and EOS, this kingpin offers exceptional strength with significantly reduced weight.
Unlike steel, titanium provides a unique benefit — more flex before permanent distortion, helping absorb impacts and reduce the chance of bending from curb strikes or jumps. Each kingpin is precision CNC-machined with a 10mm diameter, 90mm total length (measured from the bottom of the head to thread end), and M10 x 1.5mm thread pitch with 18mm of thread length.
Key Features:
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Direct Fitment: Tony Kart, Kosmic, FA, Alonso, Exprit, Redspeed, Gillard, EOS (OTK style)
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Material: Grade 5 Titanium (Ti-6Al-4V) – ultra-strong and corrosion-resistant
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Specs: 10mm diameter, 90mm length (bottom of head to end), 18mm threaded length, M10 x 1.5mm thread
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Weight: 47% lighter than steel — Titanium: 34g vs. Steel: 59g
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Sold individually


