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  • SKU: 155-11569-R1

GM Gen V LT1-LT4 Series Piston Set Bore: 4.065" Stroke: 4.000" 10.5:1 Compression

Shipping calculated at checkout.

Piston Set Particulars:

Bore: 4.065"
Stroke: 4.000"
Rod Size: 6.125
C.D." 1.115
Pin Size: .927 x 2.250
Head CC: -24.5cc
Compression Ratio: 10.5:1

Optional H-13, M2 and TP-1 wrist pins available as a upgrade to any piston part number - Contact your Diamond Pistons Ref for tech assistance

  • Designed for GN 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 are figured for 4.125 x .050 head gasket
  • Premium 1.2mm x 1.2mm x 3.00mm ring package included
  • Premium 8620 .180W wrist pins chamfered for round wire locks (included)
  • Valve pocket depth: 0.200” intake and .200” exhaust
  • 2618 material for High HP/Boost applications.

(Stock Bore: 4.065 & Stock Stroke: 3.622)

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