Shop › Uprated Front Axle Kits Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Uprated Front Axle Kits from $135.00 These kits may be used on TR3 thru TR6 models. Choose the option you would like below. Part Number: Select Part Number HP660 HP661 Add To Cart Added! These kits may be used on TR3 thru TR6 models. Choose the option you would like below. You Might Also Like Steering Column Re-Bushing from $2.00 Steering Rack Mounting from $5.00 Front Hub Bearings and Seals from $0.25 Front Sway Bar Links & Mounting, TR250-TR6 from $0.35 TR4A-TR250-TR6 Front Suspension from $0.35