The XRAY 355087 Aluminum Differential Pin Set is built to upgrade the centre of large center differentials, delivering reduced mass and dependable performance. Machined from polished aluminium, these pins work with the internal satellite gears found in large center differentials like #355013 and include steel inserts to extend service life where it counts.
Aluminium pins weigh about 30% less than steel alternatives, lowering rotational inertia inside the diff. This helps the drivetrain accelerate and recover faster, which is useful during repeated accelerations and tight technical sections.
The integration of steel inserts gives contact areas added strength compared to plain aluminium pins. That combination reduces wear and keeps the pin seating stable, especially when the differential runs hot during longer sessions.
For builders wanting a sensible weight saving without sacrificing durability, the XRAY 355087 offers a balanced upgrade for high-use differentials.
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