

🔥 Power Up Your Ride with Athena’s Big Bore Boost! ⚡
Athena’s 58mm 144cc Big Bore Cylinder Kit is a precision-engineered upgrade for Kawasaki KX 125 (2003-2007), delivering race-proven power with a durable nickel-carbide coated aluminum cylinder and molybdenum-coated forged piston. Featuring widened water jackets for enhanced cooling and a bolt-on design requiring no machining, this kit ensures easy installation and reliable high-performance riding. Complete with all necessary components and installation instructions, it’s the ultimate upgrade for serious offroad enthusiasts.
| ASIN | B00IKIHWTQ |
| Best Sellers Rank | #3,757,674 in Automotive ( See Top 100 in Automotive ) #1,304 in Powersports Cylinder Heads |
| Brand | Athena |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) |
| Date First Available | May 12, 2011 |
| Exterior | Painted |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.19 pounds |
| Item model number | P400250100011 |
| Manufacturer | Athena |
| Manufacturer Part Number | P400250100011 |
| Model | P400250100011 |
| Product Dimensions | 8.27 x 14.57 x 6.3 inches |
M**T
Went together easy!
Well made kit! Went together easy!
Trustpilot
3 weeks ago
2 months ago