Sierra 18-4122 Piston Kit Standard Bore Port
- V4 and V6 Small Bore Loopers
- 120-300 HP
- 3.500 inch bore (port) (standard bore)
- Loopcharged Pistons for 90 Degrees
GLM Part Number: 23800; Sierra Part Number: 18-4122; OMC Part Number: 5006659 393566
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