Product Overview:
- 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.

Product Info:
- Je Pistons Sub Sti Ej257 Block W/ Ej20 Head 100Mm Bore Cr 8.5 Kit Set Of 4 Pistons
- Engine: Ej Series
- Bore Diameter: 100
- Compression Height: 1.209
- Piston Volume: -26.4
- Cylinder Head: Ej257 Sti
- Piston Pin Outside Diameter: 0.905
- Piston Pin Length: 2.25
- Piston Pin Material: 5115
- Ringset Included: Yes
- Top Compression Ring Thickness: 0.048
- Second Compression Ring Thickness: 0.048
- Oil Ring Thickness: 0.0995
- Piston Material: 2618
- Forging Type: Fsr
- Piston Avg Weight: 410
- Pin Wall Thickness: 0.18
- Piston Type: Dish
- Product Market: Sport Compact

Manufacturer Part Number:
- Part Number: 291060