Description

The STM-Spec Manley Evo IV-IX Custom 11.5:1 Pistons for 2.0L 4G63 are now available! These are the same gas ported pistons we have been testing in our STM Race Engines and easily trapping 165+ MPH in the 1/4! The STM-Spec Pistons are only available in 85.5mm bore and come with coated skirts, rings and wrist pins.

If you have questions about your build, feel free to give us a call and we will get you on the right path to your goals. STM-Spec Pistons are capable of handling all the power you can throw at them.

Features:

• Gas ported
• Moly coated skirts
• 2618 high strength material
• Lightweight design with offset wrist pin for quiet start-ups
• 9310 Alloy 2.250 x .300″ STM-Spec wrist pin
• Pressure balance groove
• Premium Steel top rings with Napier seconds and round wire locks include

Includes:

• (4) Pistons
• (4) Piston Ring Sets
• (4) Wrist Pins
• (4) Spiral LocksSee more Manley Pistons for the 4G63 Evo 7-

Vehicle Fitment:

• 1996-2006 Evolution 4/5/6/7/8/9
• (2.0L 4G63 85.5mm Bore)