If you are keeping a classic XRAY XB on the road or track, the XRAY 355140 Active Differential Large Bevel Gear 40T is a go-to replacement. Made from HUDY steel and heat treated for added strength, this gear is built to resist wear. It is designed to mesh cleanly with the differential outdrives to give dependable engagement and reduced slop.
The 40T bevel is produced using controlled machining to maintain straightness and tooth profile consistency. Hardened surfaces help it cope with repeated high-load cycles common on high-traction circuits. The laser marking makes part ID fast when swapping components trackside.
This gear performs well where grip is generous, improving the steadiness of power delivery. By ensuring efficient transfer through the differential, it helps the car hold lines and respond predictably in tight corners.
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