Improve drivetrain behavior with the XRAY X4 Composite Gear Differential Case, equipped with a 38T pulley and engineered from rugged composite. It is specifically shaped to fit the XRAY #309403 X4 Gear Differential for accurate installation and reliable performance.
Small bleed holes accept M2.5x8mm screws so surplus oil can drain away, maintaining correct internal lubrication. The revised design positions the rear belt centrally to enhance balance and forward traction, offering steadier handling for competitive setups.
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