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The Grams Performance bottom adapter Denso O-ring is a single Viton O-ring intended for use with Denso-style injector bottoms. Sized with a 9.5mm inner diameter and 15.5mm outer diameter, this adapter ensures a proper seal between injector and intake or rail. Sold individually, it’s suitable for maintenance or replacement when servicing injectors that require Denso bottom seals.
Grams Performance Bottom Adapter Denso O-Ring
