| Part# 12747MO8346. Specification: - Piston measures 3.283.5 Finish bore is 3.286
- Compression 620.
- Weighs 186 grams.
- 2.5 to 3 thou Piston to wall clearance
**Measurements are done with our Micrometers** Parts: - Piston
- HD 2.075 long wrist pin
- 2 spiral locks
- Complete Ring Kit 3.287XC
- Support Ring. 3346-122
- 2 Ring Piston.
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