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S&S 4.125" Standard Compression Big Bore Gray Cylinder & Piston Kit (910-0469)

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$1,742.59
$1,344.84
(You save $397.75 )

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  • Big Bore kit yields excellent results with stock cylinder heads
  • The cylinders are machined with the stock bolt pattern and are intended for use in stock crankcases of 2007-'16 big twin engines
  • This kit must be used with 4-5/8" flywheels resulting in 124' displacement
  • Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)
  • Cylinders are constructed from premium aluminum castings with cast-in iron liners
  • For 124" twin cam motors
  • Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)
  • Crankcases must be bored to accept the larger 4-1/8" bore cylinders
  • For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning are required
  • Made in the U.S.A
  • Project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications
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