Twin Power 90-06 Big Twin and XL with CV Carb CV Carburetor Recalibration Kit

Our recalibration kit cures throttle flat spots, backfiring and poor throttle response common to the CV carbs. It increases power midrange and top end while maintaining satisfactory fuel economy.This Part Fits: Year Make Model Submodel 1997-2006 Harley-Davidson FLHR Road King Base 1998-2006 Harley-Davidson FLHRCI Road King Classic Base 1996-1997,2000-2006 Harley-Davidson FLHRI Road King Base 2004-2006 Harley-Davidson FLHRS Road King Custom Base 2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base 2003 Harley-Davidson FLHRSEI2 Screamin Eagle Road King 2 Base 1990-1993 Harley-Davidson FLHS Electra Glide Sport Base 1995-2006 Harley-Davidson FLHT Electra Glide Standard Base 1990-2005 Harley-Davidson FLHTC Electra Glide Classic Base 1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base 1990-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base 1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base 2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base 2006 Harley-Davidson FLHX Street Glide Base 1990,2006 Harley-Davidson FLST Heritage Softail Base 1990-2006 Harley-Davidson FLSTC Heritage Softail Classic Base 2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base 1990-2006 Harley-Davidson FLSTF Fat Boy Base 2001-2006 Harley-Davidson FLSTFI Fat Boy Base 1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base 2005-2006 Harley-Davidson FLSTN Softail Deluxe Base 1997-2006 Harley-Davidson FLSTS Heritage Springer Base 2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base 2001-2003 Harley-Davidson FLSTSI Heritage Springer Base 1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base 1998-2006 Harley-Davidson FLTR Road Glide Base 1998-2006 Harley-Davidson FLTRI Road Glide Base 1995-2006 Harley-Davidson FXD Dyna Super Glide Base 2006 Harley-Davidson FXDBI Street Bob Base 1992,2005 Harley-Davidson FXDC Super Glide Custom Base 2005-2006 Harley-Davidson FXDCI Super Glide Custom Base 2006 Harley-Davidson FXDI Dyna Super Glide Base 1993-2005 Harley-Davidson FXDL Dyna Low Rider Base 2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base 1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base 1993-2006 Harley-Davidson FXDWG Dyna Wide Glide Base 2001 Harley-Davidson FXDWG2 Base 2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base 1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base 2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base 1990-1994 Harley-Davidson FXR Super Glide II Base 1999 Harley-Davidson FXR2 Base 1999 Harley-Davidson FXR3 Base 2000 Harley-Davidson FXR4 Base 1990-1995 Harley-Davidson FXRPF Police Base 1990-1992 Harley-Davidson FXRS Low Glide Base 1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base 1990-1992 Harley-Davidson FXRT Sport Glide Base 1990-2006 Harley-Davidson FXST Softail Standard Base 1999-2006 Harley-Davidson FXSTB Night Train Base 2001-2006 Harley-Davidson FXSTBI Night Train Base 1990-1999 Harley-Davidson FXSTC Softail Custom Base 2000-2006 Harley-Davidson FXSTD Softail Deuce Base 2001-2006 Harley-Davidson FXSTDI Softail Deuce Base 2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base 2001-2006 Harley-Davidson FXSTI Softail Standard Base 1990-2006 Harley-Davidson FXSTS Springer Softail Base 1995-1997 Harley-Davidson FXSTSB Bad Boy Base 2001-2006 Harley-Davidson FXSTSI Springer Softail Base 1995-2006 Harley-Davidson XL1200C Sportster 1200 Custom Base 2006 Harley-Davidson XL1200L Sportster 1200 Low Base 2004-2006 Harley-Davidson XL1200R Sportster 1200 Roadster Base 1995-2003 Harley-Davidson XL1200S Sportster 1200 Sport Base 2004-2006 Harley-Davidson XL883 Sportster Base 1999-2006 Harley-Davidson XL883C Sportster 883 Custom Base 2005-2006 Harley-Davidson XL883L Sportster 883 Low Base 2002-2003,2005-2006 Harley-Davidson XL883R Sportster 883 Roadster Base 1990-2003 Harley-Davidson XLH1200 Base 1990-2006 Harley-Davidson XLH883 Base 1990-1996 Harley-Davidson XLH883DLX Sportster 883 Deluxe Base 1990-2003 Harley-Davidson XLH883HUG Sportster 883 Hugger Base