TRAXXAS 8281 TRX4 DIFFERENTIAL LOCK SLIDE KIT. Replacement differential mount and slider for TRX-4® and TRX-6® models equipped with T-Lock differentials. Includes T-Lock clevis. Replacement part for these models: TRX-4® 1972 Chevrolet® Blazer® High Trail Edition™ TRX-4® 1979 Chevrolet® Blazer® TRX-4® 1979 Ford® Bronco® TRX-4® Chevrolet® K10 High Trail™ Edition TRX-4® Ford® Bronco® TRX-4® Edition Ford® F-150® High Trail™ TRX-4® Land Rover® Defender® Unassembled TRX-4® Kit Mercedes-Benz® G 63® AMG 6X6 RC Hauler TRX-6® Ultimate Accessory part for these models: TRX-4® Traxx® Equipped TRX-4® Sport High Trail™ Edition TRX-4® Sport