JE Pistons ::::: JE Pistons 291063 JE Time Attack FSR Pistons

JE Pistons 291063 JE Time Attack FSR Pistons; For Turbo and Nitrous Aps; Set of 4 Pistons; Included RingSet: JC3104-3917

JE Pistons - Sport Compact: JE Pistons are specifically engineered for extreme applications up to, and including, professional competition. In this environment, higher compression ratios, extreme boost levels and heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy found in every JE Piston.

Features:

• Application Specific Forgings for an Optimized, Uniform Crown Thickness
• Contact Reduction Groove to Minimize Frictional Drag
• Accumulator Groove for Increased Top Ring Stability and Sealing
• CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
• Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included
• JE ProSeal Piston Rings are included with your JE Pistons

Specifications:

• Dome CC: -21.5
• Head CC: 57.0
• C/D: 28.7mm
• Gram Weight: 398
• Rod: 130.5mm
• Comp Ratio: 8.5:1
• Skirt Type: Full Round
• Stroke: 83mm
• Oversized: STD
• Bore: 99.5mm

Fitments:

• Subaru Forester Sports 2.5 XT (2004-2012)
• Subaru Impreza Wrx / Wrx Limited / Wrx Premium / Wrx Sti / Wrx Sti Limited / Wrx Sti Special Edition / Wrx Tr (2002-2012)
• Subaru Legacy 2.5GT (2005-2011)