STM-Spec Manley Custom 11.5:1 Pistons for 4G63 Evo 4-9

STM Tuned Inc.



We price match!

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.

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

Part Number: 5812STM1C‑4
Pin: STM-Spec Pin
.300" Wall (9310 Alloy)
.866" / 22mm Pin
Bore Size: 85.5 +.5mm
Rod Length: 150 mm
Stroke: 88mm Standard Stroke (2.0L)
Cylinder Head cc: 43 cc
Compression Ratio: 11.5:1 for EVO
Weight: 376 Grams
Ring Set: 46855‑4

• 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

(4) Pistons
(4) Piston Ring Sets
(4) Wrist Pins
(4) Spiral Locks

We are sorry, this product is not available for discounts.
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Customer Reviews

Based on 1 review
Robert Mushero (Ashburn, VA, US)
manley piston n rods

these are the best piston kit ive ever baughteng and machine shop says they are well balanced aboth and i really apreciate you having them in stock compaany did not have in stock very fast shipping A++++++++++++

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