Part# 12747MO8440. Specifications: - Piston measures 3.320.5 Finish bore is 3.323
- Compression is 620
- Weighs 193 gram.
- 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 Set 3.327XC
- Support Ring. 3385-122
- 2 Ring Piston.
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