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DIAMOND Racing EJ255 WRX DISH Pistons [Bore 99.5mm | Stroke 79.0mm | Rod 5.137 | C.D. 1.208 | Weight XXX | Pin .905 x 2.500 | CC\'s -24.0 | 50cc 8.5] (2006-2008 SUBARU EJ255 2.5L F4)

DIAMOND Racing EJ255 WRX DISH Pistons [Bore 99.5mm | Stroke 79.0mm | Rod 5.137 | C.D. 1.208 | Weight XXX | Pin .905 x 2.500 | CC's -24.0 | 50cc 8.5] (2006-2008 SUBARU EJ255 2.5L F4)

$764.00  $725.80
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Stock Bore 99.5mm (3.9173) Stock Stroke 79mm (3.110)
  • 3D milling on piston crowns for ready to install finish
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Ratios figured for 101mm x .0236 head gasket
  • Top ring down dimension: .300"
  • Premium 1.2mm x 1.2mm x 2.0mm 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: 0.220" intake and .220" 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: 36007-4
  • FROM: DIAMOND Pistons

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we added this on Tuesday 18 April, 2017.

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