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DIAMOND Racing 4B11 DISH Pistons [Bore 86.5mm | Stroke 94.0mm | Rod 5.659 | C.D. 1.150 | Weight XXX | Pin .905 x 2.250 | CC\'s -4.5 | 49cc 10.1] (2008-2015 Mitsubishi Lancer Evolution X)

DIAMOND Racing 4B11 DISH Pistons [Bore 86.5mm | Stroke 94.0mm | Rod 5.659 | C.D. 1.150 | Weight XXX | Pin .905 x 2.250 | CC's -4.5 | 49cc 10.1] (2008-2015 Mitsubishi Lancer Evolution X)

$739.98  $702.98
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Stock Bore 86.0mm (3.3858) Stock Stroke 86mm (3.3858)
  • 3D milling on piston crowns for ready to install finish
  • Offset pins for quiet operation
  • Side gas ports for better ring seal
  • Moly skirt coating for friction loss and skirt wear protection
  • Ratios figured for 87mm x .040 head gasket @ 8.660 deck
  • Top ring down dimension: .300"-.265" 1.070cd
  • Premium 1.0mm x 1.2mm x 2.8mm ring package included
  • Premium 8620 .180W wrist pins chamfered for roundwire locks included
  • Oversized valve pockets - for larger than stock valve sizes
  • Valve pocket depth: 0.150" intake and .070" exhaust
  • 2618 material for High HP/Boost applications
Optional H-13, M2 and TP-1 wrist pins available as a upgrade to any piston part number.


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  • Model: 82057-4
  • FROM: DIAMOND Pistons

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we added this on Monday 04 December, 2023.

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