The Optimill Removable Boss offers a premium security and usability upgrade for your Land Rover Defender, designed and manufactured in-house to deliver exceptional strength, precision, and ease of use.
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Direct Fit: Attaches straight to the Defender steering column—no need for multiple bosses or adaptors.
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Premium Construction: CNC-engineered and hard anodised to ensure long-lasting durability and resistance to wear.
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Compact Design: At just 42mm deep, it provides a sleek, minimal profile while maintaining full functionality.
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Wide Compatibility:
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Fits all 36- and 48-spline Defender steering columns.
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Suitable for Momo steering wheels and all wheels with a 70mm PCD and 6 x M5 tapped holes.
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Features mounting holes at 12 and 6 o’clock when viewed from the front.
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Included Components: Supplied with an Optimill billet cap, screws, and indicator-cancel pins. Momo horn buttons cannot be used with this boss.
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Safety Notice:
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Equipped with two locking pins that separate the mechanism.
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These must NEVER be operated while driving.
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As a removable steering component, the driver is responsible for ensuring the boss is securely fitted and functioning correctly before use.
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Easy Selection: Count the splines on your Defender’s steering column and choose the matching option from the dropdown menu.
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Recommended Upgrade: Pair with the Optimill Swivel Lock for maximum Defender security.
Engineered for strength, style, and peace of mind, the Optimill Removable Boss is the ideal choice for Defender owners seeking both performance and protection.
