| Part# 11257P74. Specifications: - Piston measures 2.732.5. Finish bore size is 2.736
- Compression 640
- Weighs 125 grams
- 3.5 to 4 thou piston to wall clearance.
**Measurements are done with our Micrometers** Parts: - Piston
- 1.880 length wrist pin
- Complete Ring Kit 2.736XM
- Spiral locks.
- 2 Ring Piston.
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