624100CE-4 Manley Pistons 4B11 for Evo X Wilwood SD is the "Standard Duty"

SD is the "Standard Duty" and can handle up to 450 WHP

but Torque Solution does offer a mount with a Urethane Insert as well

Sold as the complete kit or individually as needed

the more the reduction

Factory Safety Limiters Retained

624100CE-4 Manley Pistons 4B11 for Evo X Wilwood SD is the "Standard Duty"Manley Pistons are sold as a set of 4 with wrist pins, rings and spiral locks. Fits 4B11 Evolution X. See more Manley Pistons for the 4B11 Evo X Vehicle Fitment: Mitsubishi 4B11 2008 2015 Evolution X Piston Specs: Part Number: 624100CE4 Pin: Extreme Duty . 210" Wall (9310 Alloy) Bore Size: 86mm (Standard Bore) Rod Length: 143. 66 mm Stroke: 94mm Stroker (2. 2L) Comp Distance: 1. 155" Dome Volume: 3. 5 cc Cylinder Head cc: 49 cc Compression Ratio: 10.