Stroker Kit / YAMAHA YXZ - SIDEWINDER - Thunder Cat (17-up) Choose Stroker Kit:STROKER KIT w/BC PROH2K RODS, CUSTOM PISTONS w/ALL HARDWARE and it is the responsibility

and it is the responsibility of the person doing the work to ensure the parts work correctly

See ECU Bench Unlock Details (SKU: 19-MG1UL)

or a BMP Stainless Steel Turbo muffler

and 2 rings

2006 Polaris Sportsman 800 EFI

Stroker Kit / YAMAHA YXZ - SIDEWINDER - Thunder Cat (17-up) Choose Stroker Kit:STROKER KIT w/BC PROH2K RODS, CUSTOM PISTONS w/ALL HARDWARE and it is the responsibilityYAMAHA 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),