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BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.
BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.

05-17 CRF450X 100mm Big Bore Cylinder 13:1 CP Piston Cometic Top End Rebuild Kit

by BPRATV
Save 15% Save 15%
Original price $810.31
Original price $810.31 - Original price $810.31
Original price $810.31
Current price $688.76
$688.76 - $688.76
Current price $688.76

MX-09172-1, M2054, C3156, 10008, M2009, C3076, 4070, K063, 808276, 822315, 811276, IF8H11, 13101-MEN-730 12100-MEY-671 12100-MEY-670 12191-MEY-671 13011-MEB-670 14401-MEB-671 13111-MEN-730 13112-MAT-000

Take your Honda CRF450X to the next level with this top-of-the-line Big Bore Cylinder and Piston Kit.

Fits Honda CRF450X

Years 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Key features:

  • 100mm Big Bore +4mm Nikasil Cylinder for increased power and displacement
  • CP Carrillo 13.1:1 Forged Piston Kit for optimal compression and performance
  • Cometic Top End Gasket Kit with a Big Bore MLS Head Gasket for a reliable, leak-free seal
  • Viton Valve Stem Seals for enhanced durability
  • BPRATV Heavy Duty OEM Replacement Timing Chain for long-lasting, dependable operation
  • BPRATV Talon Titanium Stud Kit for added strength and stability

This CRF450X Big Bore Cylinder and Piston Kit is engineered to deliver a significant boost in power and performance. The 100mm big bore cylinder increases displacement for more torque and horsepower, while the high-compression 13.1:1 CP Carrillo piston kit optimizes combustion efficiency for explosive acceleration. Whether you're tackling technical trails or ripping up the motocross track, this top-end rebuild kit will transform your CRF450X into an unstoppable force.

BPRATV - The Best Parts. The Best Performance. The Best Price.
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Notice: Due to the nature of high performance and racing applications the listed BPRATV products and/or kit is sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.

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