VERTEX UK PISTON KIT         23003B       Compr 12,1:1   (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. SPECIFICATION: BORE SIZE.   96.00mm   [B   95.96mm] Replacement Parts. Rings.   590296000001 Pin.   711144 Clips. 72090 Cross reference numbers ONLY. CRANKSHAFT 13000-MEN-A10 PIN, PISTON 13111-MEN-730   CLIP, PISTON PIN (19MM) 13112-MAT-000 RING SET, PISTON   13011-MEB-670 MODEL FITMENT: HONDA CRF 450R 2004-2008 COMPR 12,1:1 HONDA CRF 450X 2005-2017 COMPR 12,1:1