Subaru Impreza WRX and STI EJ257 (+2004) pistons Billet FSR up to 1200HP JE CR = 8,5

Pistons forged JE Billet FSR Up to 1200HP for Subaru Impreza STI and WRX (2004 and up). Engine Code EJ257. Originally created for the Crawford Performance Unlimited AWD Time Attack Subaru and Ken Block's Gymkhana racecar, these pistons are now available to the public. These JE Pistons for the Subaru STI are 100% CNC machined from high quality 2618-T6 wrought aluminum bar stock and are specifically designed for high HP road and drag race engines.

Characteristics:

• 8,8 to 1 compression ratio.
• Bolt diameter 23mm.
• Piston diameter to choose: 99,5 mm, 100 mm.
• Weight from 392.
• 2618-T6 aluminum alloy.
• Perfect Skirt Coating
• FSR piston skirt
• Included 9310 pins

All piston KITS include the pistons, piston rings, pins, and all necessary hardware to install on the engine in which they are to be used.

Delivery time may vary depending on stock, please inquire. 

JE Pistons opened its doors to the public in 1947 with a simple goal, cater to the racing community with pistons and high quality components. Although times, people and teams have changed, their goals have remained constant. Today, JE is the largest manufacturer of custom forged piston racing in the world. Offering the shortest delivery times in the industry, JE is the ultimate source for all your high performance needs.

JE encompasses the most modern performance piston manufacturing equipment in the industry. Apply the most advanced CNC machining technologies available, emphasizes its commitment to deliver the highest quality pistons, bolts, segments and components available today. Process industry leaders such as Ultra Crown®, a three-dimensional digital piston head machining process, and Ultra Groove®, a machining operation that provides an unprecedented array of segment slots (tolerances within millionths of an inch) Are some examples of this commitment.

The climate controlled quality control department uses state-of-the-art equipment to ensure the high quality of pistons available anywhere. FEA (Finite Element Analysis), which predicts the thermal and structural stresses that a piston will experience before it enters service, allows you to test and simulate the race before the product gets to see a race track. Moreover, the lessons they have learned through their participation in the racing series such as NASCAR, IndyCar, NHRA and many others, translate directly into high quality parts that we offer to you, our customer.