.030 OS Bore V6 Piston Kit - Sierra
- 135-175HP, V-6 Cyl., 3.155/.030 (port) bore
- 18-4540 Piston
18-3923 Piston Ring - replaces O.E.# 39-85636A4
18-4287 Wrist Pin
Circlips (Not Sold Separately)
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