416 cc 121 Big Bore Top End Kit Honda TRX 400EX 99-08 TRX400EX XR400 96-07

  

416cc Big Bore Kit, Includes Piston kit & Top End Gasket kit. Expect Gain of 3-5 HP with this Kit! 12:1 Compression Piston, 87mm. Cometic Top End Gasket Set. 1 - Multi-Layer Steel Head Gasket.

1 - Cam Chain Tensioner Gasket. 4 - Valve Adjuster Cap O-Rings. 1 - Cam Chain Tensioner O-Ring. 1 - Intake Manifold O-Ring.

This kit requires that your Stock Cylinder be Bored and Honed. The compression ratio of this piston is 12:1. We recommend that you run 105 octane minimum for optimal engine life.

Higher octane fuel burns cleaner and improves engine life -- and it's a lot cheaper than having to rebuild your top end! Pease Custom Performance (PCP) Offroad is a family-owned and operated ATV, Rhino UTV, and Dirt Bike performance shop. We service and repair all makes and models, and focus on giving you the performance you crave on the race track, trail or in the sand dunes. We carry products that we've used on our own bikes and know the guality. We offer both new and used items for sale. When we list used items for sale, we make every attempt to accurately and objectively describe and photo the items that we list including any damage that may or may not be present. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "pcpoffroad" and is located in this country: US. This item can be shipped worldwide.

1. Fits: ATV
2. Placement on Vehicle: Front
3. Surface Finish: Aluminum / Gaskets
4. Country of Manufacture: United States
5. Brand: JE Pistons, Cometic
6. Compatible Make: Honda
7. Compatible Model: TRX400EX, XR400
8. Manufacturer Part Number: 416BBK12:1
9. Country/Region of Manufacture: United States