2004-2021 Subaru WRX STI, and 2006-2014 Subaru WRX Standard Bore Turbo Tuff Pistons by Manley

Manley's Turbo Tuff pistons are manufactured from 2618 high strength material. The lightweight forging features an offset wrist pin design for quieter start ups. The pistons set includes the standard Premium Chrome Moly alloy pin with a .180" x 2.500" wall. The pistons are machined to accommodate 1+mm over sized valves.

Features

• Pin: Standard .180" Wall
• Bore Size: 99.5mm (Standard Bore)
• Rod Length: 5.137"
• Stroke: 79mm Standard Stroke (2.5L)
• Comp Distance: 1.209"
• Dome Volume: -22 cc
• Cylinder Head cc: 51
• Compression Ratio: 8.5:1
• Piston Type: Dish
• Weight: 405 Grams
• Ring Set: 46995DT‑4

Benefits

• Thicker Skirt Wall
• Increased Corner Cross Sections
• Formula Won "Strutted" Forging
• Outboard Pin Bosses
• Offset wrist pin for quiet start-ups

Applications

• 2004-2021 Subaru WRX STI
• 2006-2014 Subaru WRX

What's In The Box?

• 4 - Pistons
• 4 - Piston Ring Sets
• 4 - Wrist Pins
• 4 - Wire Locks

Warranty

• Manley's Standard Limited Warranty