Repair or customize your RC car or truck! We carry parts for most big-name RC manufacturers including some discontinued, hard-to-find parts to keep your older vehicles in tip-top shape.
Fine-tune the speed and acceleration of the Micro RS4 with a selection of tough metal pinion gears! Use a larger pinion for higher top speeds, or use a smaller pinion gear for increased acceleration.
Includes a set screw for attaching the pinion to the motor shafts.
HPI Box 8
HPI
Gear Diff Adjustment Spring Set (Med. Firm. Stiff)
72215
Regular price
$10.00
Save $-10.00
Fine-tune the action and feel of your gear diff-equipped Nitro or electric car or truck with this convenient Gear Diff Adjustment Spring Set! Three springs are included to adjust how much the planetary diff gears inside the diff engage, giving you control over the amount of traction or slip you have at either the front or rear of your vehicle. Gear diff grease and a complete instruction sheet is supplied.
HPI Box 8
HPI
Shock Shaft 3x61mm (2pcs)
6878
Regular price
$5.00
Save $-5.00
#6878 - SHOCK SHAFT 3x61mm (2pcs)
HPI Box 8
HPI
Shock Shaft 3x55mm (2pcs)
6876
Regular price
$5.00
Save $-5.00
#6876 - SHOCK SHAFT 3x55mm (STAINLESS STEEL/2pcs)
HPI Box 8
HPI
Shock Shaft 3x31mm (2pcs)
6807
Regular price
$5.00
Save $-5.00
#6807 - SHOCK SHAFT 3x31mm (2pcs)
HPI Box 8
HPI
Shock Shaft 3x47mm (STAINLESS STEEL)
6872
Regular price
$5.00
Save $-5.00
#6872 - SHOCK SHAFT 3x47mm (STAINLESS STEEL/2pcs)
HPI Box 8
HPI
Silicone O-Ring 4.5x6.6mm (5pcs/RED)
6823
Regular price
$4.00
Save $-4.00
#6823 - SILICONE O-RING 4.5x6.6mm (RED/5pcs)
HPI Box 8
HPI
Flange Set 4x62mm (BLACK/2pcs)
86071
Regular price
$5.00
Save $-5.00
#86071 - FLANGE SHAFT 4x62mm (BLACK/2pcs)
HPI Box 8
HPI
Cylinder/Piston Set
15211
Regular price
$70.00
Save $-70.00
CYLINDER AND PISTON SET FOR NITRO STAR K4.6 ENGINE
HPI Box 8
HPI
Spring 57x9x1.1mm (Black)
6786
Regular price
$5.00
Save $-5.00
#6786 - *DISCONTINUED* SPRING 13x57x1.1mm 9 COILS (BLACK/MEDIUM)
