426cc Big Bore Kit, Includes Piston kit & Top End Gasket kit. Expect Gain of 4-6 HP with this Kit! 13:1 Compression Piston, 88mm. Cometic Top End Gasket Set. 127 Viton O-ring Brown (4).This kit requires that your Stock Cylinder be Bored and Honed. The compression ratio of this piston is 13:1.
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. The item "426 cc 131 Big Bore Top End Kit Honda TRX 400EX 99-08 TRX400EX XR400 96-07" is in sale since Thursday, October 13, 2016. 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 Phoenix, Arizona. This item can be shipped worldwide.