-15%
Kibblewhite Precision Spring Kit - .610" - Evolution/Twin Cam 20-21300 - Main Product View
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Kibblewhite Precision Spring Kit - .610" - Evolution/Twin Cam 20-21300

20-21300
Many in stock
$184.99 USD $155.99 USD
$155.99 USD

Kibblewhite Precision Spring Kit - .610" - Evolution/Twin Cam 20-21300
Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valves. Extend the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts. Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases. Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software. Specifically designed and engineered for each application. Made in the U.S.A..


This Part Fits:

Year Make Model Submodel
1984 Harley-Davidson Disc Glide FXRDG
1984-1985 Harley-Davidson Low Glide FXRS
1984-1990 Harley-Davidson Softail FXST
1984-1991 Harley-Davidson Tour Glide Classic FLTC
1984-1992 Harley-Davidson Sport Glide FXRT
1984-2004 Harley-Davidson Electra Glide Classic FLHTC
1985 Harley-Davidson Electra Glide FLH
1985 Harley-Davidson Electra Glide FLHX
1985 Harley-Davidson Low Glide Custom FXRC
1985 Harley-Davidson Low Rider FXSB
1985 Harley-Davidson Super Glide FatBob FXEF
1985-1986 Harley-Davidson Wide Glide FXWG
1986 Harley-Davidson Sport Glide Grand Touring FXRT
1986-1987,1995-2004 Harley-Davidson Electra Glide FLHT
1986-1990 Harley-Davidson Heritage Softail FLST
1986-1992 Harley-Davidson Low Rider FXRS
1986-1992 Harley-Davidson Low Rider Sport FXRS-SP
1986-1994 Harley-Davidson Super Glide FXR
1986-1999 Harley-Davidson Softail Custom FXSTC
1987 Harley-Davidson Low Rider Chrome FXRC
1987-1992 Harley-Davidson Low Rider Custom FXLR
1987-1993 Harley-Davidson Electra Glide Sport FLHS
1988-2004 Harley-Davidson Heritage Softail Classic FLSTC
1988-2004 Harley-Davidson Softail Springer FXSTS
1989-1995 Harley-Davidson Tour Glide Ultra Classic FLTCU
1989-1997 Harley-Davidson Electra Glide Ultra Classic FLHTCU
1990-1992 Harley-Davidson Low Rider Convertible FXRS-Conv
1990-2004 Harley-Davidson Fat Boy FLSTF
1991 Harley-Davidson Dyna Sturgis FXDB
1992 Harley-Davidson Dyna Daytona FXDB-D
1992 Harley-Davidson Dyna Glide Custom FXDC
1993 Harley-Davidson Dyna Low Rider Convertible FXRS-Conv
1993 Harley-Davidson Dyna Low Rider Sport FXRS-SP
1993 Harley-Davidson Heritage Softail Nostalgia FLSTN
1993-1994 Harley-Davidson Dyna Low Rider Custom FXLR
1993-2004 Harley-Davidson Dyna Low Rider FXDL
1993-2004 Harley-Davidson Dyna Wide Glide FXDWG
1994-1996 Harley-Davidson Heritage Softail Special FLSTN
1994-2000 Harley-Davidson Dyna Convertible FXDS-Conv
1994-2004 Harley-Davidson Road King FLHR
1995-1997 Harley-Davidson Bad Boy FXSTSB
1995-2004 Harley-Davidson Dyna Super Glide FXD
1995-2004 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
1996 Harley-Davidson Tour Glide Ultra Classic EFI FLTCUI
1996-1997,2000-2004 Harley-Davidson Road King EFI FLHRI
1996-2004 Harley-Davidson Electra Glide Classic EFI FLHTCI
1997-2003 Harley-Davidson Heritage Springer FLSTS
1998-2002 Harley-Davidson Road Glide FLTR
1998-2004 Harley-Davidson Road Glide EFI FLTRI
1998-2004 Harley-Davidson Road King Classic EFI FLHRCI
1999-2004 Harley-Davidson Dyna Super Glide Sport FXDX
1999-2004 Harley-Davidson Night Train FXSTB
1999-2004 Harley-Davidson Softail Standard FXST
2000-2004 Harley-Davidson Softail Deuce FXSTD
2001-2003 Harley-Davidson Dyna Super Glide T-Sport FXDX-T
2001-2003 Harley-Davidson Heritage Springer EFI FLSTSI
2001-2004 Harley-Davidson Fat Boy EFI FLSTFI
2001-2004 Harley-Davidson Heritage Softail Classic EFI FLSTCI
2001-2004 Harley-Davidson Night Train EFI FXSTBI
2001-2004 Harley-Davidson Softail Deuce EFI FXSTDI
2001-2004 Harley-Davidson Softail Standard EFI FXSTI
2001-2004 Harley-Davidson Softail Springer EFI FXSTSI
2003-2004 Harley-Davidson Electra Glide EFI FLHTI
2004 Harley-Davidson Dyna Low Rider EFI FXDLI
2004 Harley-Davidson Dyna Super Glide EFI FXDI
2004 Harley-Davidson Dyna Super Glide Sport EFI FXDXI
2004 Harley-Davidson Dyna Wide Glide EFI FXDWGI
2004 Harley-Davidson Road King Custom EFI FLHRSI
2004 Harley-Davidson Road King Custom FLHRS
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