JE Pistons 4B11 (EVO X) 86mm Stroke with 143.75mm Rods

JE Pistons

$532.74 
JE-296904

Fits these Applications:
2008-2015 Mitsubishi Lancer Evolution X

JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.

- Dome/Dish requires no deburring or preparation
- 2618 T6 high tensile forged aluminum
- NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F).
- FSR pistons include offset pins for quiet operation.

- Dished pistons feature new Smooth Finished Crown process for excellent flame travel.

- 1.0 x 1.2 x 2.8mm rings included
- .905 x 2.350 straight wall carbon steel wrist pin included
- Pin fitting and wire locks included
- Rings Included - 9.0:1 or 10.0:1 Compression Ratio

2007-UP EVO X 4B11T - NEW ASYMMETRICAL FSR
*** NOTE *** Oil squirter modification needed for Asymmetrical FSR.
Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.
Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Included
Ring Set#
86.0 STD 86 143.75 33.35 50.5 9.0:1 -5.0 JG1004-3386
86.5 0.5 86 143.75 33.35 50.5 9.0:1 -6.2 JG1004-3405
87.0 1.0 86 143.75 33.35 50.5 9.0:1 -6.8 JG1004-3425
88.0 2.0 86 143.75 33.35 50.5 9.0:1 -8.2 JG1004-3465
89.0 3.0 86 143.75 33.35 50.5 9.0:1 -10.9 JG1004-3543
90.0 4.0 86 143.75 33.35 50.5 9.0:1 -9.5 JG1004-3504

 

Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Included
Ring Set#
86.0 STD 86 143.75 33.35 50.5 10.0:1 1.4 JG1004-3386
86.5 0.5 86 143.75 33.35 50.5 10.0:1 0.8 JG1004-3405
87.0 1.0 86 143.75 33.35 50.5 10.0:1 0.2 JG1004-3425
88.0 2.0 86 143.75 33.35 50.5 10.0:1 -1.0 JG1004-3465
89 3.0 86 143.75 33.35 50.5 10.0:1 -2.1 JG1004-3504
90 4.0 86 143.75 33.35 50.5 10.0:1 -3.3 JG1004-3543

 NOTE: Bore sizes 86.5mm, 87mm, 89mm, and 90mm are made to order and will have longer lead times


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WARNING:
Cancer and Reproductive Harm
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