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S&S Cycle 129” Big Bore Kits for Harley Davidson 107” M-8 Engines (4.375” STROKE)

SKU: 129-M8
$1,595.95
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S&S Cycle 129” Big Bore Kits for Harley Davidson 107” M-8 Engines (4.375” STROKE)

S&S Cycle 129” Big Bore Kits for Harley Davidson 107” M-8 Engines (4.375” STROKE)

  • Huge bore increase (4.320") means huge power increase
  • Retains stock engine height
  • Powder coat finish match factory finish, giving the bike a “sleeper” advantage
  • Works with stock crankcases
  • MLS (multi-layered steel) head gaskets
  • Original engine serial numbers are retained
  • Includes Cam Cover Badge
  • Made in USA
  • 910-0843 WRINKLE BLACK / HIGHLIGHTED FINS
  • 910-0844 WRINKLE BLACK

Fitments

Harley-Davidson Road Glide Custom FLTRX
Harley-Davidson Softail Standard FXST
Harley-Davidson Street Glide EFI FLHX
Harley-Davidson Road King EFI FLHR
Harley-Davidson Electra Glide Revival
Harley-Davidson Electra Glide Standard EFI FLHTI
Harley-Davidson CVO Street Glide FLHXSE
Harley-Davidson Softail Street Bob FXBB
Harley-Davidson Road Glide Limited FLTRK
Harley-Davidson Softail Low Rider S FXLRS
Harley-Davidson CVO Road Glide Custom FLTRXSE
Harley-Davidson Road King EFI FLHR
Harley-Davidson CVO Street Glide FLHXSE
Harley-Davidson Street Glide EFI FLHX
Harley-Davidson Electra Glide Standard EFI FLHTI
Harley-Davidson Softail Standard FXST
Harley-Davidson Electra Glide Police FLHTPI
Harley-Davidson FXDR 114
Harley-Davidson Electra Glide Standard EFI FLHTI
Harley-Davidson Softail Sport Glide FLSB
Harley-Davidson Softail Slim FLSL
Harley-Davidson Softail Fat Bob 114 FXFBS
Harley-Davidson Softail Heritage Classic 114 FLHCS
Harley-Davidson Softail Heritage Classic FLHC
Harley-Davidson Softail Fat Boy 114 FLFBS
Harley-Davidson Softail Breakout 114 FXBRS
Harley-Davidson Softail Street Bob FXBB
Harley-Davidson Softail Low Rider FXLR
Harley-Davidson Softail Deluxe FLDE
Harley-Davidson Softail Fat Boy FLFB
Harley-Davidson Softail Breakout FXBR
Harley-Davidson Softail Fat Bob FXFB
Harley-Davidson CVO Road Glide Custom FLTRXSE
Harley-Davidson Road King Special FLHRXS
Harley-Davidson Road Glide Special FLTRXS
Harley-Davidson Street Glide Special FLHXS
Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE
Harley-Davidson Electra Glide Ultra Limited FLHTK
Harley-Davidson Road Glide Custom FLTRX
Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
Harley-Davidson Street Glide EFI FLHX
Harley-Davidson Road King EFI FLHR
Harley-Davidson Road Glide Ultra FLTRU
Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
Harley-Davidson CVO Street Glide FLHXSE
Harley-Davidson Electra Glide Police FLHTPI