TwinPower 3.5 Inch Bore 92-99 Evolution Big Twin Top End Gasket Kit 043159

Top End Kits include all necessary gaskets needed when performing a top end repair or replacment.

• Ideal for top-end rebuilds, performance upgrades, or routine refreshes across multiple Harley engine platforms
• Application specific kits matched to bore size, engine family, and compression/head gasket thickness
• Provide the primary gaskets and seals from the base gasket up through the rocker boxes
• Excludes 1999 FLH, FLT, FXD
• Made in USA

The TwinPower 043159 Top End Gasket Kit is designed for 1992–1999 Evolution Big Twin top-end repairs, rebuilds, performance upgrades, and routine refreshes. This application-specific kit is matched to a 3.5-inch bore and provides the primary gaskets and seals needed from the base gasket through the rocker boxes. It replaces H-D part number 17040-92A and is made in the USA.

Fitment includes select 1992 Harley-Davidson models: FLHS Electra Glide Sport, FLHTC Electra Glide Classic, FLHTCU Electra Glide Ultra Classic, FLSTC Heritage Softail Classic, FLSTF Fat Boy, FXRS-Conv Low Rider Sport Convertible, FXRT Sport Glide, FXSTC Softail Custom, and FXSTS Springer Softail. It also fits the 1993 Harley-Davidson FLHS Electra Glide Sport. The kit excludes 1999 FLH, FLT, and FXD applications. Verify the motorcycle model, engine family, bore size, and gasket requirements before installation.

Manufacturer part number: 043159. Vendor part number: 043159.

Features:

• Application: Top-end gasket kit for Evolution Big Twin engine repairs, rebuilds, performance upgrades, and routine refreshes
• Bore size: 3.5-inch bore application
• Coverage: Provides primary gaskets and seals from the base gasket through the rocker boxes
• Replacement: Replaces H-D part number 17040-92A
• Fitment: Select 1992–1993 Harley-Davidson applications listed in the product description
• Exclusions: Does not fit 1999 FLH, FLT, or FXD applications
• Manufacturing: Made in the USA

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
1992 Harley Davidson FLHS Electra Glide Sport Base
1992 Harley Davidson FLHT Electra Glide Standard Base
1992 Harley Davidson FLHTC Electra Glide Classic Base
1992 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1992 Harley Davidson FLSTC Heritage Softail Classic Base
1992 Harley Davidson FLSTF Fat Boy Base
1992 Harley Davidson FXR Super Glide II Base
1992 Harley Davidson FXRS Low Glide Base
1992 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1992 Harley Davidson FXRS-SP Low Rider Sport Base
1992 Harley Davidson FXRT Sport Glide Base
1992 Harley Davidson FXST Softail Standard Base
1992 Harley Davidson FXSTC Softail Custom Base
1992 Harley Davidson FXSTS Springer Softail Base
1992 Harley-Davidson FXRPF Police Base
1993 Harley Davidson FLHS Electra Glide Sport Base
1993 Harley Davidson FLHT Electra Glide Standard Base
1993 Harley Davidson FLHTC Electra Glide Classic Base
1993 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1993 Harley Davidson FLSTC Heritage Softail Classic Base
1993 Harley Davidson FLSTF Fat Boy Base
1993 Harley Davidson FLSTN Heritage Softail Nostalgia Base
1993 Harley Davidson FXDL Dyna Low Rider Base
1993 Harley Davidson FXDWG Dyna Wide Glide Base
1993 Harley Davidson FXR Super Glide II Base
1993 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1993 Harley Davidson FXRS-SP Low Rider Sport Base
1993 Harley Davidson FXST Softail Standard Base
1993 Harley Davidson FXSTC Softail Custom Base
1993 Harley Davidson FXSTS Springer Softail Base
1993 Harley-Davidson FXRPF Police Base
1994 Harley Davidson FLHR Road King Base
1994 Harley Davidson FLHT Electra Glide Standard Base
1994 Harley Davidson FLHTC Electra Glide Classic Base
1994 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1994 Harley Davidson FLSTC Heritage Softail Classic Base
1994 Harley Davidson FLSTF Fat Boy Base
1994 Harley Davidson FLSTN Heritage Softail Special Base
1994 Harley Davidson FXDL Dyna Low Rider Base
1994 Harley Davidson FXDS-Conv Dyna Convertible Base
1994 Harley Davidson FXDWG Dyna Wide Glide Base
1994 Harley Davidson FXR Super Glide II Base
1994 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1994 Harley Davidson FXST Softail Standard Base
1994 Harley Davidson FXSTC Softail Custom Base
1994 Harley Davidson FXSTS Springer Softail Base
1994 Harley-Davidson FXRPF Police Base
1995 Harley Davidson FLHR Road King Base
1995 Harley Davidson FLHT Electra Glide Standard Base
1995 Harley Davidson FLHTC Electra Glide Classic Base
1995 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1995 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
1995 Harley Davidson FLSTC Heritage Softail Classic Base
1995 Harley Davidson FLSTF Fat Boy Base
1995 Harley Davidson FLSTN Heritage Softail Special Base
1995 Harley Davidson FXD Dyna Super Glide Base
1995 Harley Davidson FXDL Dyna Low Rider Base
1995 Harley Davidson FXDS-Conv Dyna Convertible Base
1995 Harley Davidson FXDWG Dyna Wide Glide Base
1995 Harley Davidson FXST Softail Standard Base
1995 Harley Davidson FXSTC Softail Custom Base
1995 Harley Davidson FXSTS Springer Softail Base
1995 Harley Davidson FXSTSB Bad Boy Base
1995 Harley-Davidson FXRPF Police Base
1996 Harley Davidson FLHR Road King Base
1996 Harley Davidson FLHRI Road King Base
1996 Harley Davidson FLHT Electra Glide Standard Base
1996 Harley Davidson FLHTC Electra Glide Classic Base
1996 Harley Davidson FLHTCI Electra Glide Classic Base
1996 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1996 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
1996 Harley Davidson FLSTC Heritage Softail Classic Base
1996 Harley Davidson FLSTF Fat Boy Base
1996 Harley Davidson FLSTN Heritage Softail Special Base
1996 Harley Davidson FLTCUI Tour Glide Ultra Classic Base
1996 Harley Davidson FXD Dyna Super Glide Base
1996 Harley Davidson FXDL Dyna Low Rider Base
1996 Harley Davidson FXDS-Conv Dyna Convertible Base
1996 Harley Davidson FXDWG Dyna Wide Glide Base
1996 Harley Davidson FXST Softail Standard Base
1996 Harley Davidson FXSTC Softail Custom Base
1996 Harley Davidson FXSTS Springer Softail Base
1996 Harley Davidson FXSTSB Bad Boy Base
1997 Harley Davidson FLHR Road King Base
1997 Harley Davidson FLHRI Road King Base
1997 Harley Davidson FLHT Electra Glide Standard Base
1997 Harley Davidson FLHTC Electra Glide Classic Base
1997 Harley Davidson FLHTCI Electra Glide Classic Base
1997 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1997 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
1997 Harley Davidson FLSTC Heritage Softail Classic Base
1997 Harley Davidson FLSTF Fat Boy Base
1997 Harley Davidson FLSTS Heritage Springer Base
1997 Harley Davidson FXD Dyna Super Glide Base
1997 Harley Davidson FXDL Dyna Low Rider Base
1997 Harley Davidson FXDS-Conv Dyna Convertible Base
1997 Harley Davidson FXDWG Dyna Wide Glide Base
1997 Harley Davidson FXST Softail Standard Base
1997 Harley Davidson FXSTC Softail Custom Base
1997 Harley Davidson FXSTS Springer Softail Base
1997 Harley Davidson FXSTSB Bad Boy Base
1998 Harley Davidson FLHR Road King Base
1998 Harley Davidson FLHRCI Road King Classic Base
1998 Harley Davidson FLHT Electra Glide Standard Base
1998 Harley Davidson FLHTC Electra Glide Classic Base
1998 Harley Davidson FLHTCI Electra Glide Classic Base
1998 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
1998 Harley Davidson FLSTC Heritage Softail Classic Base
1998 Harley Davidson FLSTF Fat Boy Base
1998 Harley Davidson FLSTS Heritage Springer Base
1998 Harley Davidson FLTR Road Glide Base
1998 Harley Davidson FLTRI Road Glide Base
1998 Harley Davidson FXD Dyna Super Glide Base
1998 Harley Davidson FXDL Dyna Low Rider Base
1998 Harley Davidson FXDS-Conv Dyna Convertible Base
1998 Harley Davidson FXDWG Dyna Wide Glide Base
1998 Harley Davidson FXST Softail Standard Base
1998 Harley Davidson FXSTC Softail Custom Base
1998 Harley Davidson FXSTS Springer Softail Base
1999 Harley Davidson FLHT Electra Glide Standard Base
1999 Harley Davidson FLSTC Heritage Softail Classic Base
1999 Harley Davidson FLSTF Fat Boy Base
1999 Harley Davidson FLSTS Heritage Springer Base
1999 Harley Davidson FXR2 Base
1999 Harley Davidson FXR3 Base
1999 Harley Davidson FXST Softail Standard Base
1999 Harley Davidson FXSTB Night Train Base
1999 Harley Davidson FXSTC Softail Custom Base
1999 Harley Davidson FXSTS Springer Softail Base