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sports some new hardware
This tire is right at home in loose dirt
You want it all
battery-after-battery enjoyment
HPI Underhead F4.6 HPI1447 3347Y sports some new hardwareHPI Racing underhead is constructed of silver aluminum. Replaces a worn or damaged underhead. Goes between the heat sink head and the crankcase. This is the part that the glow plug goes into. Specs: Diameter: 1. 40" (36mm) Thickness: . 31" (8mm) Requires: Installation following the engine manual
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