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DIAMOND LSX 15° PISTONS - 4.005" - 4.000" STROKE -3cc DISH 21511-RS-8

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Diamond Chevrolet LSX 15°, 4.005 Bore, 4.000 Stroke, 6.125 Rod, 1.15 comp height, -3.0cc, .927 x 2.250 pin


  • 3D milling on piston crowns for ready to install finish
  • Inboard forging design with fully machined under crown for maximum strength
  • Valve pockets designed to work with most aftermarket 15° cylinder heads
  • Side gas ports for better ring seal
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .280" (1.115cd) .250” (1.053cd)
  • Ratios figured for .053 head gasket
  • Premium 1.5mm x 1.5mm x 3.0mm ring package included
  • Premium H-13 .250W wrist pins included chamfered for round wire locks
  • Valve pocket depth: 0.200" intake and .145" exhaust
  • 2618 material for High HP-NOS-Boost applications - rated for 2000HP

Additional Information

Length 0.000000
Height 0.000000
Width 0.000000
Weight 17.0000
BTR SKU 21511-RS-8
Brand Diamond Pistons
Piston Volume -3cc

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