Description
JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import, and sport compact applications, and they have been performance-proven in victory lane time and time again.
JE Pistons Subaru EJ Series pistons are single replacements. Available in different bore sizes for right or left, the pistons are specifically engineered for extreme applications up to, and including, professional competition. In such environments, the higher compression ratios and boost necessitate the high-tensile strength of forged 2618 aluminum construction. The skirts feature a proprietary Forged Side Relief (FSR) forging design that minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin. High-quality wrist pins, locks, and piston rings are included. Equip your engine with the best in forged pistons—JE Pistons.
Brand: JE Pistons
Manufacturer's Part Number: 245986R
Part Type: Pistons
Product Line: JE Pistons Subaru EJ Series Pistons
HP Direct Part Number: JEP-245986R
UPC: 193564024619
Piston Rings Included: Yes
Bore (in.): 3.917 in.
Bore (mm): 99.500mm
Stroke: 3.110 in.
Engine Stroke Type: Stock
Actual Engine Displacement: 2.5L/2457cc
Rod Length: 5.137 in.
Piston Style: Dish, with four valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.209 in.
Piston Head Volume (cc): -21.20cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.905 in.
Piston Ring Thickness: 1.20mm x 1.20mm x 2.50mm
File Fit: Yes
Gapless: Yes
Top Ring Thickness: 1.2mm
Second Ring Thickness: 1.2mm
Oil Ring Thickness: 2.5mm
Remanufactured: No
Quantity: Sold individually.
Notes: Fits EJ257 STI motors. Designed to fit right exhaust valve orientation.
JE Pistons Subaru EJ Series pistons are single replacements. Available in different bore sizes for right or left, the pistons are specifically engineered for extreme applications up to, and including, professional competition. In such environments, the higher compression ratios and boost necessitate the high-tensile strength of forged 2618 aluminum construction. The skirts feature a proprietary Forged Side Relief (FSR) forging design that minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin. High-quality wrist pins, locks, and piston rings are included. Equip your engine with the best in forged pistons—JE Pistons.
Brand: JE Pistons
Manufacturer's Part Number: 245986R
Part Type: Pistons
Product Line: JE Pistons Subaru EJ Series Pistons
HP Direct Part Number: JEP-245986R
UPC: 193564024619
Piston Rings Included: Yes
Bore (in.): 3.917 in.
Bore (mm): 99.500mm
Stroke: 3.110 in.
Engine Stroke Type: Stock
Actual Engine Displacement: 2.5L/2457cc
Rod Length: 5.137 in.
Piston Style: Dish, with four valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.209 in.
Piston Head Volume (cc): -21.20cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.905 in.
Piston Ring Thickness: 1.20mm x 1.20mm x 2.50mm
File Fit: Yes
Gapless: Yes
Top Ring Thickness: 1.2mm
Second Ring Thickness: 1.2mm
Oil Ring Thickness: 2.5mm
Remanufactured: No
Quantity: Sold individually.
Notes: Fits EJ257 STI motors. Designed to fit right exhaust valve orientation.
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