-
![KB PERFORMANCE Piston Kit - 3.437" +0.060" - 9.0:1 CR - 74" Big Twin [KB263060]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130912/140847/parts-DS751208__12599.1787117017.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437\" +0.060\" - 9.0:1 CR - 74\" Big Twin [KB263060]")
KB PERFORMANCE Piston Kit - 3.437" +0.060" - 9.0:1 CR - 74" Big Twin [KB263060]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437" +0.050" - 9.0:1 CR - 74" Big Twin [KB263050]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130911/140846/parts-DS751207__09876.1787117009.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437\" +0.050\" - 9.0:1 CR - 74\" Big Twin [KB263050]")
KB PERFORMANCE Piston Kit - 3.437" +0.050" - 9.0:1 CR - 74" Big Twin [KB263050]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437 +0.010" - 9.0:1 CR - 74" Big Twin [KB263010]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130907/140842/parts-DS751203__75616.1787117008.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437 +0.010\" - 9.0:1 CR - 74\" Big Twin [KB263010]")
KB PERFORMANCE Piston Kit - 3.437 +0.010" - 9.0:1 CR - 74" Big Twin [KB263010]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437" +0.020" - 9.0:1 CR - 74" Big Twin [KB263020]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130908/140843/parts-DS751204__97764.1787117008.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437\" +0.020\" - 9.0:1 CR - 74\" Big Twin [KB263020]")
KB PERFORMANCE Piston Kit - 3.437" +0.020" - 9.0:1 CR - 74" Big Twin [KB263020]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437" +0.030" - 9.0:1 CR - 74" Big Twin [KB263030]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130909/140845/parts-DS751205__44786.1787117009.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437\" +0.030\" - 9.0:1 CR - 74\" Big Twin [KB263030]")
KB PERFORMANCE Piston Kit - 3.437" +0.030" - 9.0:1 CR - 74" Big Twin [KB263030]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437" +0.040" - 9.0:1 CR - 74" Big Twin [KB263040]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130910/140844/parts-DS751206__36595.1787117008.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437\" +0.040\" - 9.0:1 CR - 74\" Big Twin [KB263040]")
KB PERFORMANCE Piston Kit - 3.437" +0.040" - 9.0:1 CR - 74" Big Twin [KB263040]
MSRP: $239.95$210.34Add to Cart The item has been added -
![KB PERFORMANCE Piston Kit - 3.437 Standard - 9.0:1 CR - 74" Big Twin [KB263STD]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/130906/140841/parts-DS751201__30422.1787117007.jpg?c=2 "KB PERFORMANCE Piston Kit - 3.437 Standard - 9.0:1 CR - 74\" Big Twin [KB263STD]")
KB PERFORMANCE Piston Kit - 3.437 Standard - 9.0:1 CR - 74" Big Twin [KB263STD]
MSRP: $239.95$210.34Add to Cart The item has been added -
![Wiseco Piston Kit - +0.040" - Big Twin [K1609]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/122304/132231/42B114B0-BC1C-4465-BA6A-26EF31C7B677__18501.1786951447.png?c=2 "Wiseco Piston Kit - +0.040\" - Big Twin [K1609]")
Wiseco Piston Kit - +0.040" - Big Twin [K1609]
MSRP: $378.95$317.98Add to Cart The item has been added -
![Wiseco Piston Kit - +0.030" - Big Twin [K1608]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/122303/132230/8CAAA85E-B916-4F45-ADE3-F4834D32B64C__11403.1786951446.png?c=2 "Wiseco Piston Kit - +0.030\" - Big Twin [K1608]")
Wiseco Piston Kit - +0.030" - Big Twin [K1608]
MSRP: $378.95$317.98Add to Cart The item has been added -
![Wiseco Piston Kit - +0.010" - Big Twin [K1606]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/122301/132229/599CA805-4A9E-455C-820C-6DD02794EFA4__30424.1786951445.png?c=2 "Wiseco Piston Kit - +0.010\" - Big Twin [K1606]")
Wiseco Piston Kit - +0.010" - Big Twin [K1606]
MSRP: $378.95$317.98Add to Cart The item has been added -
![Wiseco Piston Kit - +0.020" - Big Twin [K1607]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/122302/132228/C4A9496E-1B39-44BD-A17E-77A0ADA0F8F6__75169.1786951445.png?c=2 "Wiseco Piston Kit - +0.020\" - Big Twin [K1607]")
Wiseco Piston Kit - +0.020" - Big Twin [K1607]
MSRP: $378.95$317.98Add to Cart The item has been added -
![Wiseco Piston Kit - Standard - Big Twin [K1605]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/122300/132227/59E9D73C-3117-4CD5-8EA1-B6F1E86C54C7__23174.1786951445.png?c=2 "Wiseco Piston Kit - Standard - Big Twin [K1605]")
Wiseco Piston Kit - Standard - Big Twin [K1605]
MSRP: $382.95$321.20Add to Cart The item has been added