- The smart alternative to costly engine repairs
- Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
- OEM replacements
- Available in standard and oversizes
- Pro X rings are exact OEM replacements and can be interchange with stock part
- B, C, D and E extend the life of expensive plated cylinders
- Pistons supplied in a kit includes rings, wrist pins, and circlips
NOTE:
This is a fractional oversize piston of .0004 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering.
The following is the meaning of the letters next to Dennis Kirk Part Number:
- S is Standard
- SB is +.0004 in.
- SC is +.0008 in.
- SD is +.0012 in.
- SE is +.0016 in.
Specs Pro Tek Piston Assembly - 76.96mm Bore 4350B
- Type: Piston Assembly
- Units: Each
Fitment Pro Tek Piston Assembly - 76.96mm Bore 4350B
- Part 131259SB fits the following machines:
- 2004 Kawasaki KX250F
- 2005 Kawasaki KX250F
- 2006 Kawasaki KX250F
- 2004 Suzuki RM-Z250
- 2005 Suzuki RM-Z250
- 2006 Suzuki RM-Z250
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Images Pro Tek Piston Assembly - 76.96mm Bore 4350B
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Pro Tek Piston Assembly - 76.96mm Bore 4350B

Sizing Pro Tek Piston Assembly - 76.96mm Bore 4350Bsizing
Sendtofriend Pro Tek Piston Assembly - 76.96mm Bore 4350B