Manley Platinum Series Piston Set 86.25mm, 10:0:1 CR, Set of 4 - Subaru WRX VA 15-21 (FA20)

The Manley Platinum Series 86.25mm Piston Set for the 2015-20 Subaru WRX are CNC machined from lightweight 6818 high strength material and features pressure valve groove. This +.25mm oversize piston set includes chrome moly pins, ring pack and pin clips.

• Bore Size: 86.25mm
• Oversize: +.25mm
• Rod Length: 5.090"
• Stroke: 86mm
• Comp Distance: 1.292"
• Dome Volume: -13cc
• Comp Ratio: 10.0
• Piston Type: Dish
• Piston Weight: 350g
• 2618 High Strength Material; Lightweight Design
• 2.250" x 150" wall Premium Chrome Moly pin (Standard Series) included P/N 42251
• Pressure Balance Groove
• Will accommodate +1mm valve sizes
• Premium Steel tip rings with Napier seconds and round wire locks included