Stroker Kit / YAMAHA YXZ - SIDEWINDER - Thunder Cat (17-up) Choose Stroker Kit:STROKER KIT w/BC PROH2K RODS, CUSTOM PISTONS w/ALL HARDWARE Learn about Primary springs HERE

Learn about Primary springs HERE

BMP Custom Angle Helix

Fits all 2014-Up ZR/XF/M 6000 Series and 2015 only 6000 R XC

Applications only for models 2007 through 2011

Stroker Kit / YAMAHA YXZ - SIDEWINDER - Thunder Cat (17-up) Choose Stroker Kit:STROKER KIT w/BC PROH2K RODS, CUSTOM PISTONS w/ALL HARDWARE Learn about Primary springs HEREYAMAHA YXZ SIDEWINDER (17 up) STOCK STROKE KIT w CARRILLO RODS, SHELF PISTONS w ALL HARDWARE BC 0956 Includes 4340 billet crank, 66. 2mm stroke, Carrillo rods (4. 665" c to c), and shelf or custom pistons (choice of bore compression). REQUIRES SIDEWINDER OIL PUMP SPROCKET (BC8805). YAMAHA YXZ SIDEWINDER (17 up) STROKER KIT w CARRILLO RODS, CUSTOM PISTONS w ALL HARDWARE BC 0957 Includes 4340 billet crank, 71mm stroke, Carrillo rods (4. 665" c to c),