BOLT-ON BIG BORE KITS [0903-0781]

CYLINDER KT 1250NAT 04-14
  • 0903-0781
Part # Description Sug. Retail Price
0903-0781 Bolt-On Big Bore Kit Silver 1250cc Flat-Top Pistons XL 1200 Heads $1,033.95

Overview

  • Revolution™ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores, which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps and a longer lifespan
  • True bolt-on kit that delivers major power with no machine work required
  • Also includes Wiseco forged pistons with rings (that are specifically designed for optimal compatibility with Revolution Performance's cylinders), wrist pins, circlips and high-performance head and base gaskets
  • Available in four finishes: natural silver, black, black with highlighted fins or granite (matches engines of Screamin' Eagle models)
  • Replacement head and base gasket sets available separately
  • Made in the U.S.A.

NOTE: For replacement pistons and rings, see Revolution Performance Big Bore Piston Kits.

Specifications

BORE:3.563"
COLOR:Silver
COMPRESSION:10.5
FINISH:Silver
MADE IN THE U.S.A.:Yes
MATERIAL:Aluminum
MODEL:Big Bore
NOTE:Must Use XL1200 Heads.
PACKAGING:Kit With Gasket.
SIZE:1250cc
SPECIFIC APPLICATION:Yes
STROKE:3 13/16"
STYLE:
  • 10.5:1 Flat-Top Pistons
  • Big Bore
  • Bolt-on
TYPE:
  • Cylinder Kit
  • Gasket Kit
  • Piston Kit

Application(s)

Year Make Model  
2004 - 2006Harley-DavidsonXL 1200C Custom
2007 - 2014Harley-DavidsonXL 1200C Custom (EFI)
2006Harley-DavidsonXL 1200L Low
2007 - 2011Harley-DavidsonXL 1200L Low (EFI)
2007 - 2012Harley-DavidsonXL 1200N Nightster
2004 - 2006Harley-DavidsonXL 1200R Roadster
2007 - 2008Harley-DavidsonXL 1200R Roadster (EFI)
2012 - 2014Harley-DavidsonXL 1200V Seventy-Two
2010 - 2014Harley-DavidsonXL 1200X Forty-Eight
2004 - 2006Harley-DavidsonXL 883
2007 - 2008Harley-DavidsonXL 883 (EFI)
2004 - 2006Harley-DavidsonXL 883C Custom
2007 - 2009Harley-DavidsonXL 883C Custom (EFI)
2005 - 2006Harley-DavidsonXL 883L Low
2007 - 2010Harley-DavidsonXL 883L Low (EFI)
2011 - 2014Harley-DavidsonXL 883L Superlow
2009 - 2014Harley-DavidsonXL 883N Iron
2005 - 2006Harley-DavidsonXL 883R
2007Harley-DavidsonXL 883R (EFI)
2007Harley-DavidsonXL50 50th Anniversary (EFI)

Catalogs Containing This Part

Name Page Number
14 Drag FatBook624