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Cannot use for #A911/ A912 or 72516. Spare Part for ONLY #86038
$12.00
For #86038 2 SPEED TRANSMISSION (NITRO 3)
Discontinued, replacement part: #106631
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.
$22.00
Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
$8.00
Discontinued, replacement part: #86079
Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
$15.00
TROPHY NITRO SERIES
Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit reference.
$5.00
Savage
Discontinued, replacement part: #87227
Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
$10.00
Savage/MT 2/Rush
Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
$9.00
HPI 86084 - DRIVE GEAR 32 TOOTH (1M) 
HPI 76937 - SPUR GEAR 47 TOOTH (1M) 
traxxas 3215 
traxxas 3943 
TRAXXAS 5230X 
HPI 76982 - ALUMINUM THREADED PINION GEAR 22Tx12mm (1M) 
HPI 86847 - TITANIUM NITRIDE SUSPENSION SHAFT 3x54 mm (2pcs)