Top End Service Kit - Piston, Stainless Valves, & Gasket Kit - For 04-07 Honda CRF250R & 04-17 CRF250X

For 04-07 Honda CRF250R & 04-17 CRF250X

• Engine Type: 4-Stroke
• Exhaust Head Diameter: 26.00mm
• Exhaust Stem Diameter: 5.0mm
• Exhaust Tulip: 20 Deg.
• Intake Head Diameter: 31.00mm
• Intake Stem Diameter: 5.0mm
• Intake Tulip: 20 Deg.
• Items Included: Exhaust Valves,Intake Valves,Piston Rings,Piston,Gasket Set,Valve Springs
• Open Pressure: 145 lbs
• Piston Bore Size: 78.00 mm
• Retainer Material: Titanium
• Seat Pressure: 50 lbs
• Type: Top End Rebuild Kit
• Valve Material: Black Diamond (TM) Stainless

Kit Includes:

• Piston, Rings, Clips and Pin - (2618 Alloy Fully CNC Machined Race Piston)
• Complete Top End Gasket Kit by Cometic™
• KPMI® S.S. Black Diamond™ Valves, Stock Head Dia. (All Valves)
• Complete Dual Spring / High Performance Titanium Retainer Spring Kit

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Features:

• Complete piston assembly, gasket kit and valves to rebuild or service your bikes top end
• Cost saving built into purchasing these components as a kit
• Designed specifically for the performance demands of MX Bikes and Quads
• Pistons designed to maintain stock compression
• 2618 Alloy Fully CNC Machined Piston with performance skirt coating
• KPMI® High Performance Valvetrain is known to outlast OEM by twice the service life
• Lightweight Racing Spring Kit compatible with high performance cams

IMPORTANT NOTE: The piston assembly (piston, rings, pin and pin clips) in this kit are designed to work together as a system. When used complete, the piston assembly can be used as an OEM replacement. The individual components are NOT INTERCHANGEABLE with O.E.M. piston assembly components.