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DIAMOND Racing STREET/STRIP FLAT TOP Pistons [Bore 4.030 | Stroke 3.622 | Rod 6.125 | C.D. 1.304 | Weight 451 | Pin .927 x 2.500 | CC\'s -2.0cc | 62cc 11.3 | 66cc 10.7 | 70cc 10.3] (GM 6.0L LQ4 & LQ9)

DIAMOND Racing STREET/STRIP FLAT TOP Pistons [Bore 4.030 | Stroke 3.622 | Rod 6.125 | C.D. 1.304 | Weight 451 | Pin .927 x 2.500 | CC's -2.0cc | 62cc 11.3 | 66cc 10.7 | 70cc 10.3] (GM 6.0L LQ4 & LQ9)

$917.97  $872.07
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LQ4/LQ9 6.0L Block: 4.000 Std Bore 3.622 Std Stroke
  • 3D milling on piston crowns for ready to install finish
  • Valve pockets designed to work with most aftermarket cylinder heads
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .250"
  • Ratios figured for .040 head gasket
  • Premium 1.2mm x 1.2mm x 3.0mm ring package included
  • Premium 1.2mm x 1.5mm x 3.0mm ring package on all 3.905 bore piston sets included
  • Premium 8620 .185W wrist pins included
  • Valve pocket depth: 0.176" intake and .105" exhaust
  • 2618 material for High HP-NOS-Boost applications
Optional H-13, M2 and TP-1 wrist pins available as an upgrade to any piston part number


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  • Model: 11512-R1-8
  • FROM: DIAMOND Pistons

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we added this on Sunday 03 July, 2005.

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