This kit features simple bolt-on installation
or what another seller or mechanic claims the issue is
Provides a complete top end rebuild solution
+5mm stroker crankshaft
Hardened Steel Bases – Secure spring placement
BPRATV Banshee 421 Stroker Big Bore Kit ARES 68mm Cylinders CP Pistons Cool Head minimizing friction This kit features simple bolt-onYamaha Banshee 421cc stroker kit featuring ARES 68mm Nikasil cylinders, CP forged pistons and Cool Head. Built for pump gas power and reliability. S410485301023, S410485301024, P400485100024, 573M06800, 4111, CBK0044, PD300, 808812, 822154, BR8ES, K018, 10 301, B1005, 21. 2020, 8101D200, 2GU 11311 00 00, 2GU 11321 00 00,2GU 11181 00 00, 2GU 11631 00 94, 2GU 11610 01 00, 4L0 11633 00 00, 93450 17129 00, 93310 316D6 00,3GG 11351 02 00, B0627020F,