JE Ultra Series forged pistons for Mitsubishi EVO 4 to 9 GEN 2 (7 bolts). Engine code 4G63.
Characteristics:
- Compression ratio of 10 to 1.
- 22mm bolt diameter.
- Piston diameter to choose between: 85 mm, 85.5 mm, 86 mm.
- Aluminum alloy 2618.
- Asymmetric Piston Skirt (FSR)
- Perfect Skirt Coating
- Side gas ports.
- Ceramic head coating.
- Bolts and fasteners improved 9310.
- Carbon Steel Nitride Segments
Product on request. Delivery time may vary depending on stock, consult.