Part Number
DRP-21605-RS-8

21605-RS-8 Diamond Pistons Chevy LT2K Flat Top 4.125 Bore

Fits Gen V Chevy LT, 4.125 Bore, 3.622 Stroke, 6.125 Rod Length, -12cc Flat Top, Set of 8 Pistons and Rings

Special Price $1,091.56 Regular Price $1,226.47
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
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Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
  • 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 f0or friction loss and skirt wear protection
  • Top ring down dimension: 0.300" (1.304cd) 0.250" (1.053cd)
  • Ratios figured for 0.053 head gasket
  • Premium 1.5mm x 1.5mm x 3.0mm ring package included
  • Premium H-13 0.250W wrist pins included chamfered for round wire locks
  • Valve pocket depth: 0.200" intake and 0.145" exhaust
  • 2618 material for High HP-NOS-Boost applications - rated for 2000hp

    Compression Ratio:
  • 62cc 12.9:1
  • 70cc 11.8:1
  • 76cc 11.1:1
  • More Information
    Price $1,226.47
    Vehicle Make Chevy LT
    Bore Size 4.125
    Crankshaft Stroke 3.662
    Rod Length 6.125
    Piston Type Flat Top
    Compression Height 1.304
    Piston Material 2618 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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