OEM R TEK SHORT BLOCK goes on Toro SnowcommanderOEM BRIGGS & STRATTON SHORTBLOCK FOR TORO SNOWCOMMANDER. BRIGGS & STRATTON PART 801286 SHORTBLOCK. 801287 HAS KNOCKOUT REMOVED FOR ELECTRIC START. CAN BE KNOCKED OUT. READ INSTALLATION INSTRUCTIONS BELOW!!!!!!!!!!!! FLYWHEEL KEY MUST BE INSTALLED EXACTLY LIKE ORIGINAL AND FLYWHEEL NUT TORQUED TO 35 PSI ONLY OR.