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DIAMOND Racing STREET/STRIP DOME Pistons [Bore 4.065 | Stroke 3.622 | Rod 6.125 | C.D. 1.304 | Weight XXX | Pin .927 x 2.250 | CC\'s -1.5 | 59cc (LT1) 11.5 | 65cc (LT4) 10.7] (GM 6.2L LT1 & LT4)

DIAMOND Racing STREET/STRIP DOME Pistons [Bore 4.065 | Stroke 3.622 | Rod 6.125 | C.D. 1.304 | Weight XXX | Pin .927 x 2.250 | CC's -1.5 | 59cc (LT1) 11.5 | 65cc (LT4) 10.7] (GM 6.2L LT1 & LT4)

$1,066.39  $1,013.07
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Stock Bore 4.065 Stock Stroke 3.622
  • Designed for Chevy Gen V LT1/LT4 engine base
  • Piston crowns designed to work with OEM direct injection
  • 3D milling on piston crowns for ready to install finish
  • Offset pins for quiet operation
  • Inboard forging design for maximum strength
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .300"
  • Ratios figured for 4.125 x .050 head gasket
  • Premium 1.2mm x 1.2mm x 3.0mm ring package included
  • Premium 8620 .185W wrist pins chamfered for roundwire locks included
  • Valve pocket depth: 0.200" intake and .200" 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: 11533-R2-8
  • FROM: DIAMOND Pistons

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we added this on Wednesday 05 April, 2017.

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