VERTEX UK PISTON KIT       23270500         Big Bore XL Compr. 12,5:1   (Distributed by oro2u.com)

All Vertex Pistons Feature:  
- Standard pistons and components are OEM replacements.
- Kits include piston, rings, wrist pin and circlips.
- All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.
- Replacement rings are sold individually.
- Made in Italy.
- Fitted in many oem bikes as STD.

SPECIFICATIONS

• BORE SIZE.   100.00mm   [A   9.96mm]

Replacement Parts.

• Rings.   590210000001
• Pin.   715382
• Clips. 72074

MODEL FITMENT

• YAMAHA WR 450F 05-15 BIG BORE XL COMPR 12,5:1
• YAMAHA YZ 450F 03-09 BIG BORE XL COMPR 12,5:1