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S&S 129
S&S 129
S&S 129
S&S 129

S&S 129" Big Bore Cylinder Kit - -107 M8 4.3/8 stroke

$1,544.95 $1,499 Save 2%

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129" Big Bore Cylinder Kit -  -107  M8 4.3/8 stroke  11.01 compression  bore 4.320  Big Bore Cylinder Kit - Black/Highlighted Fins or Black with out Highlighted fins

  • Bolt-on without requiring machining of the crankcase
  • Original engine serial numbers are retained
  • Powder coat finish matches factory finish
  • MLS (multi-layered steel) head gaskets
  • Retains stock engine height
  • Includes cam cover badge
  • All necessary gaskets and hardware required for installation is included
  • Made in the USA

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