-
![MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 800 [K293]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127811/137746/parts-09310705__17401.1787080021.jpg?c=2 "MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 800 [K293]")
MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 800 [K293]
MSRP: $1,495.00$1,220.73Add to Cart The item has been added -
![MILLENNIUM Piston Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K8930D5002]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127807/137743/parts-09105034__24918.1787080013.jpg?c=2 "MILLENNIUM Piston Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K8930D5002]")
MILLENNIUM Piston Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K8930D5002]
MSRP: $449.95$379.50Add to Cart The item has been added -
![MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K289]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127808/137745/parts-09310703__87798.1787080013.jpg?c=2 "MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K289]")
MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 1000 [K289]
MSRP: $1,495.00$1,220.73Add to Cart The item has been added -
![MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 900 [K290]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127809/137742/parts-09310701__28727.1787080013.jpg?c=2 "MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 900 [K290]")
MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 900 [K290]
MSRP: $1,495.00$1,220.73Add to Cart The item has been added -
![MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 570 [K292]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127810/137744/parts-09310699__44247.1787080013.jpg?c=2 "MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 570 [K292]")
MILLENNIUM Cylinder Kit - +5.00 mm - Big Bore - M-Spec - Polaris 570 [K292]
MSRP: $449.95$379.50Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400181]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127336/137271/parts-09107029__03615.1787048882.jpg?c=2 "JE Pistons Piston Kit - 4.250\" Bore - 4.625\" Stroke - 12.0:1 CR - 121\" M8 [400181]")
JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400181]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.125" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400180]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127335/137270/parts-09107028__41648.1787048882.jpg?c=2 "JE Pistons Piston Kit - 4.125\" Bore - 4.625\" Stroke - 12.0:1 CR - 121\" M8 [400180]")
JE Pistons Piston Kit - 4.125" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400180]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.080" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400179]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127334/137269/parts-09107027__39378.1787048880.jpg?c=2 "JE Pistons Piston Kit - 4.080\" Bore - 4.625\" Stroke - 12.0:1 CR - 121\" M8 [400179]")
JE Pistons Piston Kit - 4.080" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400179]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.125" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400175]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127331/137266/parts-09107024__11227.1787048874.jpg?c=2 "JE Pistons Piston Kit - 4.125\" Bore - 4.625\" Stroke - 11.5:1 CR - 121\" M8 [400175]")
JE Pistons Piston Kit - 4.125" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400175]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400176]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127332/137267/parts-09107025__33382.1787048874.jpg?c=2 "JE Pistons Piston Kit - 4.250\" Bore - 4.625\" Stroke - 11.5:1 CR - 121\" M8 [400176]")
JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400176]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.075" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400178]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127333/137268/parts-09107026__68160.1787048874.jpg?c=2 "JE Pistons Piston Kit - 4.075\" Bore - 4.625\" Stroke - 12.0:1 CR - 121\" M8 [400178]")
JE Pistons Piston Kit - 4.075" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8 [400178]
MSRP: $656.99$546.14Add to Cart The item has been added -
![JE Pistons Piston Kit - 4.080" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400174]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127330/137265/parts-09107023__02303.1787048872.jpg?c=2 "JE Pistons Piston Kit - 4.080\" Bore - 4.625\" Stroke - 11.5:1 CR - 121\" M8 [400174]")
JE Pistons Piston Kit - 4.080" Bore - 4.625" Stroke - 11.5:1 CR - 121" M8 [400174]
MSRP: $656.99$546.14Add to Cart The item has been added