Popular 350 Chevy 4.030 Bore Flattop piston with 4 valve reliefs. Must purchase 8
- Flat top.
- 4 valve reliefs.
- Truck and passenger
- 5/64, 5/64, 3/16 Ring Grooves
- Compression Height 1.54"
- Oe 3911020
- Press Pin
We recommend Cast Ring Set 139.030 or Moly Ring Set 2M139.030