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  Supertech - High Performance Pistons w/Rings
Includes Pins & Wire Locks

More than 40 years of experience in the design of racing pistons and the utilization of the latest CAD software & Finite Element Analysis (FAE) enables us to design strong high performance and yet light pistons for each application.

Compression ratio was computed with .030" head gasket and .010" deck.
A phosphate dry lubricant coating is applied to most of the pistons to protect against ring micro welding and enhance skirt lubrication.

Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni & Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity.

The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves.

  • Forged from enhanced 4032 alloy and CNC machined
  • Contact reduction grooves are standard.
  • Honed & reamed pin bores for precise fit.
  • High tensile strength and evenly distributed hardness.
  • Pins and wire locks are provided with the pistons.
  • Withstand up to 42psi of turbo boost, w/alcohol, w/o any problems
  • A 2 or 3 forging steps process yields a fine structural grain oriented in fibers in the same direction of the stresses.
  • Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks
  • Quality Control: is performed after every step of the manufacturing process in climate controlled environments to ensure reliability of dimensions
Rings w/purchase of Pistons: (rings must be purchased separately)
4 Cyl. Set $79
6 Cyl. Set $99
Rings purchased alone:
4 Cyl. Set $109
6 Cyl. Set $129

These pistons are not available until February 1st. 2023.

Comp. Ratio Dome /Dish
Head CC's Comp
Stroke Rod Lngth Pin
Wght gram Note Part # Price
MITSUBISHI EVO X / 4B11T 2.0 Lts DOHC TURBO  (Gasket 1.2mm - Deck Height 0) 850 HP
86.00mm Std 9:1 -4.6 49 33.3mm 86mm 143.75 23mm 335 T/N P4-MIX86-CR9 $399
86.50mm 0.5mm+ 9:1 -4.6 49 33.3mm 86mm 143.75 23mm 342 T/N P4-MIX865-CR9 $399
MITSUBISHI 4G63 1st Generation ( Gasket 0.042" - Deck Height 0)
85.50mm 0.5mm + 9:01 -9.5 47 1.378''(35mm) 3.465" 5.905" 21mm (.827") 299 T P4-MI1-8550-N9 $399
MITSUBISHI 4G63 2nd Generation ( For EVO8 add +0.5 to C.R.) ( Gasket 0.042" - Deck Height 0)
85mm Std 8.3:1 -15 47 1.378"(35mm) 3.465" 5.905" 22mm (.866") 295 T/N P4-MI2-85-N15 $399
85.50mm 0.5mm+ 9:01 -9.5 47 1.378"(35mm) 3.465" 5.905" 22mm (.866") 303 T/N P4-MI2-8550-N9 $399
85.50mm 0.5mm+ 8.3:1 -15 47 1.378"(35mm) 3.465" 5.905" 22mm (.866") 299 T/N P4-MI2-8550-N15 $399
T (Turbo)
N (Nitrous)
A (Naturally Aspirated)

Sales/Tech Line: (603) 378-0090
Email: info@ImportPerformanceParts.net

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*All prices on this site are subject to change without notice. Import Performance Parts™ disclaims responsibility for any printing or typographical errors, and does not guarantee that all information is accurate.

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