Caster Block & Trailing SpindleFits: SB401RSB401R-TSB401LWSB401You may need to update your bushings to Type-R version if you have an older SB401 with these blocks...
Here is one of the latest upgrade parts for the PR line of 2wd abd 4wd 1/10th scale off-road kits. A great addition to upgrade your PR Sport kits as well! Fits:S1V3(MM/FM), SC201, ST1V3T and even the SB401 LW 4x4 buggy! Now Updated to include the V4R.
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Cooling Fan Mount/ Holder 30x30mm (Aluminum Alloy) 1.4g.Fits 30x30mm fan. 30x30 is the basic square size of the fan, bolt spacing is 25mmx25mm.... and it a RC industry standard way of calling out fan sizes...