JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.
- Piston Head Type:
- Flat Top
- Bore (in.):
- 4.500
- Recommended Stroke (in.):
- 4.250 in.
- Piston Style:
- Flat top, with single valve relief
- Compression Height (in.):
- 1.270 in.
- Piston Volume (cc.):
- -3
- Piston Material:
- Forged aluminum
- Piston Avg Weight (g.):
- 623
- Quantity:
- Sold as a set of 8.
- Wrist Pin Included:
- Yes
- Wrist Pin Style:
- Press-fit or floating
- Piston Pin Diameter (in.):
- 0.990
- Wrist Pin Retainers Included:
- Yes
- Piston Pin Wall Thickness:
- 0.18
- Piston Pin Material:
- 5115
- Piston Pin Length:
- 2.930
- Piston Rings Included:
- No
- File Fit:
- N/A
- Gas Ported:
- N/A
- Gapless:
- N/A
- Notes:
- Oil rail support included.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 7.4L/454
- Years:
- 1970-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Recommended Rod Length:
- 6.385 in.
- Application Notes:
- 9.780 inch block height with open or closed chamber cylinder heads. 540 cubic inch.
- Cylinder Head:
- Open Chamber
- Top Ring Thickness:
- 1/16 in.
- Second Ring Thickness:
- 1/16 in.
- Oil Ring Thickness:
- 3/16 in.
