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About BikeMan Performance Durability Kits

BikeMan Performance Durability Kits

  • Custom designed taller pistons have less piston slap
  • Rings have been spaced apart for better cooling
  • Pistons have. 020 wrist pin offset to take load off the intake side
  • Forged pistons are more durable and collapse less than factory pistons
  • Lubrication holes in the skirt of the piston designed to lengthen piston skirt life
  • Teflon coated pistons
  • Gains 6-7 horsepower and even more for motors down on compression
  • A must have for motors with over 1500 miles on stock pistons
  • Smoother running motor
  • No EFI controller required
  • Includes pistons, rings, circlips, wristpins, cylinder bolts, cylinder spacer, longer alignment pins, & 2 base gaskets.

Warning:  California Proposition 65

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