Diamond Racing Piston Set 86.25mm Bore 10:5 CR -9cc 2015-2021 WRX

Here, you are looking at the 86.25mm Bore, 10:5 CR, -9cc Diamond Racing Piston Set for your 2015-2021 WRX.

Diamond Pistons Sport Compact Series pistons are ideal for either the street or the drag strip. These forged aluminum pistons are significantly stronger than the factory pistons allowing your engine to handle that extra horsepower.

Details:

• Compression Ratio: 10.5
• Chamber CC: 39
• Ring Thickness: 1.2mm x 1.2mm x 2.0mm
• Forced pin oilers from the oil ring
• Moly Coated Skirts
• Engine Make: Subaru
• VP Intake Depth: 0.190
• Bore: 86.25mm
• VP Exhaust Depth: 0.170
• Stroke: 86.0mm
• Cylinder Qty: 4
• Rod: 5.090
• Comp Height: 1.285
• Weight: call
• Pin: .866 x 2.250
• CC: -9.0cc
• Forged aluminum