ICON Premium pistons are designed to be application specific and are made from either 4032 or 2618 aluminum. 2618 aluminum has a lower silicon content than 4032 and is better suited for engine combinations with high compression or a power adder.
- Piston Head Type:
- Flat Top
- Bore (in.):
- 4.080
- Bore (mm):
- 102.870mm
- Recommended Stroke (in.):
- 3.780
- Piston Style:
- Flat top, with two valve reliefs
- Compression Height (in.):
- 1.770
- Piston Volume (cc.):
- -6.2
- Piston Material:
- Forged aluminum
- Piston Avg Weight (g.):
- 533
- Piston Ring Thickness:
- 1/16 in. x 1/16 in. x 3/16 in.
- Quantity:
- Sold as a set of 8.
- Notes:
- Pistons are made of forged 2618 alloy aluminum.
- Wrist Pin Included:
- Yes
- Wrist Pin Style:
- Press-fit or floating
- Piston Pin Diameter (in.):
- 0.975
- Wrist Pin Retainers Included:
- Yes
- Piston Pin Wall Thickness:
- N/A
- Piston Pin Material:
- N/A
- Piston Rings Included:
- No
- File Fit:
- N/A
- Gas Ported:
- N/A
- Gapless:
- N/A
- Make:
- Ford
- Engine Family:
- Ford big block FE
- Engine Sizes:
- 6.4L/390
- Years:
- 1961-1977
- Recommended Rod Length:
- 6.490 in.
- Top Ring Thickness:
- 1/16 in.
- Second Ring Thickness:
- 1/16 in.
- Oil Ring Thickness:
- 3/16 in.
