Please verify your fitment/reduction size prior to placing an order as there is a 15% cancellation fee. All in-stock gear reductions currently shipping within 2 business days. Receive a free RB t-shirt with any reduction purchase by adding your shirt size in the notes when placing order. Thanks for the business!
420/500/520 Secondary (rear) Seal Kit
Rear crankcase cover sealing parts needed for a secondary reduction install. Includes quick setting (30 min.) gasket maker with applicator and rear output shaft seal. This kit is for 420(all)-500(2012 and newer)-520-P500/520.