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  • Sprint 2

    Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
  • Baja 5B/Front

    Genuine HPI quality spare part for easy maintenance and repairs.
  • Baja 5B

    Genuine HPI quality spare part for easy maintenance and repairs.
  • NITRO 3 / MT 2

    Discontinued

    Get extra handling potential on high-grip, wide tracks with this amazing Front One-Way Diff! Perfect for racers looking for the extra edge on their buddies, a front one-way diff gives you immense initial turn-in to a corner as well as increased speed on the straights! You will need to adjust your driving style, because you will only have brakes on the rear wheels - too much braking action can cause you to spin out as you enter the corner. Once you have adjusted and perfected the technique, few will be able to catch you!
  • E10/1.2mm, 1.4mm, 1.6mm

    For a wide range of suspension tuning settings, you need to add the E10 Sway Bar Set to your ride! Designed to fit the E10 for maximum tuning options, you get 3 different thicknesses of swaybars plus all the mounting and adjustment hardware to fit them to your E10. These are the perfect match to the #88015 E10 Strut Brace Bar, giving you the tuning potential to hit the curves with style and grace! One set of sway bars fully outfit your E10 with sway bar functionality and tuning.
  • Baja 5B SS

    Discontinued, replacement part: #102171

    Genuine HPI quality spare part for easy maintenance and repairs of the Baja SS. Also a great option for a new and flashy look for your Baja racer! See below for kit reference.
  • Sprint 2

    Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
  • NITRO STAR K5.9

    Discontinued

    Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
  • NITRO STAR T-15/T3.0

    Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
  • VORZA, Apache C1/SC

    Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
  • Tune your car or truck for maximum top speed or faster acceleration with a new spur gear. A smaller spur gear gives you more top speed but slower acceleration and less runtime. You'll see faster acceleration and longer run time, but less top speed, with a larger spur gear. These spur gears are reinforced with carbon fibre threads for greatly improved durability in all conditions. Will NOT work with 64DP pinion gears, must be used with 48DP pinions.
  • 2 Speed First Gear for Savage

    Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
  • NITRO 3 2 SPEED/Spare Part for #86038

    Discontinued, replacement part: #106630

    Available from HPI Racing are a selection of Aluminium Threaded Pinion Gears for the Nitro 3! This wide range of gears allows Nitro 3 racers with the #86038 Two Speed Transmission to fine tune the gearing for any size track. Download PDF instructions for #76978 (0.2 MB)
  • PULSE 4.6 BUGGY RTR

    Discontinued

    Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
  • Savage/Durable, lightweight/Requires B021, 86045 for Rush

    The HPI Racing Clutch Bells for the Savage monster trucks are made from high strength machined steel and hardened for maximum durability to provide lasting performance in any driving conditions. These Clutch Bells can be used with the stock Savage Spur Gears, and they are a mandatory upgrade when using HPI Steel Spur Gears. Machined holes help keep the weight down for quick acceleration, and the holes also help cool the clutch shoes for consistent performance. Each gear is stamped with the number of teeth for easy identification. The Racing Clutch Bell is available in different teeth numbers, giving racers and bashers the choice to adjust the gear ratio to the terrain for optimum performance. The more teeth on the clutch bell (or fewer the teeth on the spur gear) the more top speed with slightly reduced acceleration, ideal for smooth surfaces or longer straights. The fewer number of teeth on the clutch bell (or the higher number of teeth on the spur gear) better the acceleration and torque with slightly less top speed, ideal for rough terrain, steep hills or short tracks with tight corners. Available sizes: #77103 - Racing Clutch Bell 13 tooth #77104 - Racing Clutch Bell 14 tooth #77105 - Racing Clutch Bell 15 tooth #77106 - Racing Clutch Bell 16 tooth #77107 - Racing Clutch Bell 17 tooth #77108 - Racing Clutch Bell 18 tooth #77109 - Racing Clutch Bell 19 tooth #77110 - Racing Clutch Bell 20 tooth The perfect match for the HPI Racing clutch bells and also available from stock, are the HPI Steel Spur Gear Sets for the Savage. Both together will make the drive train last almost forever. #77127 - HEAVY DUTY SPUR GEAR 47 TOOTH #77132 - HEAVY DUTY SPUR GEAR 52 TOOTH These steel Heavy Duty Spur Gears are an excellent upgrade for Savage owners who use their trucks in extreme conditions with high output engines. It's machined from high carbon steel for precise roundness and smooth tooth shape ensures consistent gear mesh, high efficiency and long gear life. The HPI machined Racing Clutch Bells can also be used on the MT-2 and Rush Evo in combination with the following additional option parts: #B021 Ball Bearing 5x10x4mm (2pcs) #86045 Engine Mount 20mm (purple)
  • Savage/Durable, lightweight, extra cooling

    The HPI Racing Clutch Bells for the Savage monster trucks are made from high strength machined steel and hardened for maximum durability to provide lasting performance in any driving conditions. These Clutch Bells can be used with the stock Savage Spur Gears, and they are a mandatory upgrade when using HPI Steel Spur Gears. Machined holes help keep the weight down for quick acceleration, and the holes also help cool the clutch shoes for consistent performance. Each gear is stamped with the number of teeth for easy identification. The Racing Clutch Bell is available in different teeth numbers, giving racers and bashers the choice to adjust the gear ratio to the terrain for optimum performance. The more teeth on the clutch bell (or fewer the teeth on the spur gear) the more top speed with slightly reduced acceleration, ideal for smooth surfaces or longer straights. The fewer number of teeth on the clutch bell (or the higher number of teeth on the spur gear) better the acceleration and torque with slightly less top speed, ideal for rough terrain, steep hills or short tracks with tight corners. Available sizes: #77103 - Racing Clutch Bell 13 tooth #77104 - Racing Clutch Bell 14 tooth #77105 - Racing Clutch Bell 15 tooth #77106 - Racing Clutch Bell 16 tooth #77107 - Racing Clutch Bell 17 tooth #77108 - Racing Clutch Bell 18 tooth #77109 - Racing Clutch Bell 19 tooth #77110 - Racing Clutch Bell 20 tooth The perfect match for the HPI Racing clutch bells and also available from stock, are the HPI Steel Spur Gear Sets for the Savage. Both together will make the drive train last almost forever. #77127 - HEAVY DUTY SPUR GEAR 47 TOOTH #77132 - HEAVY DUTY SPUR GEAR 52 TOOTH These steel Heavy Duty Spur Gears are an excellent upgrade for Savage owners who use their trucks in extreme conditions with high output engines. It's machined from high carbon steel for precise roundness and smooth tooth shape ensures consistent gear mesh, high efficiency and long gear life. The HPI machined Racing Clutch Bells can also be used on the MT-2 and Rush Evo in combination with the following additional option parts: #B021 Ball Bearing 5x10x4mm (2pcs) #86045 Engine Mount 20mm (purple)

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