Part Number
DRP-71002-4

71002-4 Diamond Pistons Honda B18 Rebel Series Flat Top 85mm Bore

Fits Honda B18A/B Rebel Series, 85mm Bore, 89mm Stroke, 5.394 Rod Length, -2.5cc Flat Top, Set of 4 Pistons and Rings

Special Price $796.72 Regular Price $895.19
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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 engine with a set of Diamond Pistons
  • 3D milling on piston crowns for ready to install finish
  • Side gas ports for better ring seal
  • Ratios figured for 0.030 head gasket @ 8.345" Deck Height
  • Top ring down dimension: 0.300"
  • Desinged for pin buttons for maximum strength
  • Premium H-13 0.200W wrist pins included
  • Premium 1.2mm x 1.2mm x 2.8mm ring package included
  • Oversized valve pockets for larger than stock valve sizes
  • Valve pocket depth: 0.200" intake and 0.150" exhaust
  • 2618 material for High HP / Boost applications - rated for 1400 hp
  • No advertized piston weight

    Compression Ratio:
  • 45cc 10.1:1
  • More Information
    Price $895.19
    Vehicle Make Honda B18
    Bore Size 85.00mm
    Crankshaft Stroke 89.0mm
    Rod Length 5.394
    Piston Type Flat Top
    Compression Height 1.181
    Piston Material 2618 Forged
    Piston Ring Size 1.2mm 1.2mm 2.8mm
    Wrist Pin Size 0.8267
    Custom Notices ⚠ PROP 65 WARNING
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