Hot Racing 90mm Aluminum HD Big Bore Shock Set (2)

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This is the Hot Racing 90mm Aluminum HD Big Bore Shock Set. These big bore threaded body aluminum shocks fit many 1/10th scale off-road vehicles using 90mm shocks. Some applications include, but are not limited to: many 1/10th scale truck and buggy front shocks; the Traxxas Bandit front, Nitro Rustler/Slash/Sport/Stampede front, Rustler front, Slash 2WD front, Slash 4x4 front, Stampede 2WD front, Stampede 4x4 front; and and other similar vehicles.


  • CNC machined 6061-T6 billet aluminum shock bodies, collars, caps, and spring retainers
  • "Big Bore" threaded shock bodies
  • CNC machined 11mm Delrin pistons
  • 3.5mm stainless steel shock shafts
  • Silver and blue anodized aluminum components
  • Vented shock caps with bladder seals for consistent rebound dampening
  • Threaded shock collars with o-rings to prevent unwanted movement
  • Composite plastic lower shock ends with aluminum balls
  • Fully assembled, just add shock oil and bleed

Replaces Traxxas Big Bore Long Shocks: TRA2660, 3760, 3760A, 4760
Extended length: 90mm
Overall length: 100mm
Spring: ~5.8lb/in, 1.54mm wire, 10 turn dual rate, 19.3mm OD


  • (2) assembled shocks
  • (2) M3x20mm flat head cap screws
  • (2) M3x18mm button head cap screws
  • (2) 3mm countersunk washers
  • (2) 5.9 hollow balls
  • (4) 1.5mm thick spacers
  • (4) 3mm thick spacers


  • Silicone shock oil of modeler's choice and bleeding per the typical bladder shock bleeding procedure
  • Best used with Team Associated shock Green Slime grease or shock o-ring grease when rebuilding lower seal
  • Snap ring pliers when rebuilding lower seal


  • Use spacers as need for installation
  • Can be used with optional Hot Racing springs: HRASLF48FS261 (progressive), HRASLF48MR268 (linear), HRASLF48RS286 (progressive)
  • See Hot Racing HRATD90PC06 for progressive damping 90mm shocks
  • Accepts optional Hot Racing silicone shock boot HRARDP34201
  • Replacement parts are Hot Racing: HRARTDS90X (shock shafts and pistons), HRARTD910BN (shock ends), HRARTD910RB (pistons and o-rings), HRARTD1010X (bladders and lower seals)

This product was added to our catalog on March 22, 2018

Verified Owner
Friday, Jun 21 2019 (about 2 years ago)
Hot Racing 90mm Aluminum HD Big Bore Shock Set (2)
Beautiful and all...
It's impossible to refuel.
refueled and do not disassemble!
Stock punches gasket damper