Authorised Dealer

106-6012 Steel breather valve. +.030" OD

Fits: 36-47 Big Twin
£153.11 SAVE £22.97 (15%)
£130.14

incl. VAT

Available to Order
Stock updated: today at 4:30 am
JOIN IRON STABLE — SAVE 15%

Chapter members save 15% · Sign in for member pricing

Usually dispatched within 3 working days

Part #: 106-6012

Authorised

Iron City Dealer

14-Day Returns

Easy & hassle-free

Secure Checkout

256-bit encryption

Free UK Delivery

On orders over £100

Specifications

Brand
S&S
Part Number
106-6012
OEM Reference
Pack Quantity
Each
Category
Breather Valves
VAT Rate
20%

About This Product

This S&S steel breather valve is an essential component for restoring 1936 to 1947 Big Twin engines with worn crankcase breather bores. Provided in a +.030-inch oversize, it allows you to save original vintage cases that would otherwise require extensive repair. The valve is manufactured from high-grade steel and features the S&S elongated hole design, which optimizes the vacuum duration to pull oil more effectively from the top end. This improved scavenging is beneficial for both stock restorations and high-performance builds. When installing this valve, ensure you use the correct steel breather valve spacers, as mixing steel valves with plastic spacers can lead to premature failure. It is a rugged, precision-made part for classic Knucklehead and Flathead motors.

Manufacturer part number: 106-6012.

Fitment

104 models

36-47 Big Twin

CVO/Custom
2 models
Brand Year Model
Harley-Davidson 2014 CVO Road King FLHR 103
Harley-Davidson 2014 Road King FLHR
Dyna
15 models
Brand Year Model
Harley-Davidson 1992 Dyna Daytona FXDB
Harley-Davidson 1993–2017 Dyna Low Rider FXDL
Harley-Davidson 2014–2017 Dyna Low Rider FXDL 103
Harley-Davidson 2007–2017 Dyna Street Bob FXDB
Harley-Davidson 2014–2017 Dyna Street Bob FXDB 103
Harley-Davidson 1991 Dyna Sturgis FXDB
Harley-Davidson 2013 Dyna Super Glide Custom Anv FXDC
Harley-Davidson 2005–2014 Dyna Super Glide Custom FXDC
Harley-Davidson 2014 Dyna Super Glide Custom FXDC 103
Harley-Davidson 1995–2010 Dyna Super Glide FXD
Harley-Davidson 2008 Dyna Wide Glide 105th Anv FXDWG
Harley-Davidson 1993–2016 Dyna Wide Glide FXDWG
Harley-Davidson 2012–2017 Dyna Wide Glide FXDWG 103
Harley-Davidson 2017 Low Rider FXDL 103
Harley-Davidson 1992 Super Glide Custom FXDC
Electra Glide
12 models
Brand Year Model
Harley-Davidson 1978 Electra Glide FLH 80 FLH-80
Harley-Davidson 1975–1980 Electra Glide FLH-1200
Harley-Davidson 1979–1980 Electra Glide FLH-80
Harley-Davidson 1975 Electra Glide FLHF
Harley-Davidson 1980 Electra Glide FLHS-80
Harley-Davidson 1984 FLH Police 80 FLH
Harley-Davidson 1979–1980 Glide Classic FLHC-80
Harley-Davidson 1983 Police FLH
Harley-Davidson 1979–1980 Police FLH-1200 FLH-1200
Harley-Davidson 1979 Touring Electra Glide Classic FLHC-80
Harley-Davidson 1978–1980 Touring Electra Glide FLH-80
Harley-Davidson 1980 Touring Electra Glide Sport FLHS-80
Low Rider
2 models
Brand Year Model
Harley-Davidson 1977–1979 FX Super Glide FXS-1200
Harley-Davidson 1979–1980 FX Super Glide FXS-80
Police
5 models
Brand Year Model
Harley-Davidson 1991–1995 Electra Glide Standard Police (Fairing) FLHTP
Harley-Davidson 1991–1995 Electra Glide Standard Police (Windshield) FLHTP
Harley-Davidson 1996–2020 Electra Glide Standard Police FLHTP
Harley-Davidson 1975 Glide Police FL
Harley-Davidson 2021–2024 Police Electra Glide FLHTP
Police Electra Glide
1 model
Brand Year Model
Harley-Davidson 1979–1980 Police FLH 80 FLHP-80
Softail
30 models
Brand Year Model
Harley-Davidson 2011–2013 Blackline FXS
Harley-Davidson 2012–2013 Blackline FXS 103
Harley-Davidson 2017 Breakout FXSB
Harley-Davidson 2017 Deluxe FLSTN
Harley-Davidson 1991–2017 Fat Boy FLSTF
Harley-Davidson 2012–2015 Fat Boy FLSTF 103
Harley-Davidson 1983–1985 FX Low Rider FXSB
Harley-Davidson 1981–1985 FX Super Glide Fat Bob FXEF
Harley-Davidson 1981–1984 FX Super Glide FXE
Harley-Davidson 1981–1982 FX Super Glide FXS
Harley-Davidson 1981–1986 FX Wide Glide FXWG
Harley-Davidson 2018–2021 Heritage Classic FLHC
Harley-Davidson 2013 Heritage Softail Classic Anv FLSTC
Harley-Davidson 2013 Heritage Softail Classic Anv FLSTC 103
Harley-Davidson 1991–2017 Heritage Softail Classic FLSTC
Harley-Davidson 2012–2015 Heritage Softail Classic FLSTC 103
Harley-Davidson 2006–2010 Heritage Softail FLST
Harley-Davidson 1993–1996 Heritage Softail Nostalgia FLSTN
Harley-Davidson 2013–2016 Softail Breakout FXSB
Harley-Davidson 2013–2015 Softail Breakout FXSB 103
Harley-Davidson 1987–2010 Softail Custom FXSTC
Harley-Davidson 2005–2016 Softail Deluxe FLSTN
Harley-Davidson 2012–2015 Softail Deluxe FLSTN 103
Harley-Davidson 1990 Softail Fat Boy FLSTF
Harley-Davidson 1988–1990 Softail Heritage Classic FLSTC
Harley-Davidson 1986–1990 Softail Heritage FLST
Harley-Davidson 1988–1990 Softail Springer FXSTS
Harley-Davidson 1984–2022 Softail Standard FXST
Harley-Davidson 1991–2006 Springer Softail FXSTS
Harley-Davidson 1981–1982 Super Glide B80 FXB
Super Glide
4 models
Brand Year Model
Harley-Davidson 1979–1980 FX Super Glide Fat Bob FXEF-1200
Harley-Davidson 1979–1980 FX Super Glide Fat Bob FXEF-80
Harley-Davidson 1976–1979 FX Super Glide FXE-1200
Harley-Davidson 1976–1978 Super Glide 1200 FX-1200
Tour Glide
2 models
Brand Year Model
Harley-Davidson 1979–1980 Tour Glide FLT
Harley-Davidson 1980 Touring Tour Glide FLT
Touring
30 models
Brand Year Model
Harley-Davidson 1991–2013 Electra Glide Classic FLHTC
Harley-Davidson 2011 Electra Glide Classic FLHTC 103
Harley-Davidson 1981–1983 Electra Glide FLH
Harley-Davidson 1981 Electra Glide FLHS
Harley-Davidson 1983–1984 Electra Glide FLHT
Harley-Davidson 1992–1994 Electra Glide Sport FLHS
Harley-Davidson 1995–2022 Electra Glide Standard FLHT
Harley-Davidson 2017–2019 Electra Glide Ultra Classic FLHTCU
Harley-Davidson 2011 FB4 Road King FLHR
Harley-Davidson 1981 Glide Classic FLHC
Harley-Davidson 1983–1984 Glide Classic FLHT
Harley-Davidson 1981 Glide Classic FLTC
Harley-Davidson 2021 Revival FLH
Harley-Davidson 2013 Road King Anv FLHR
Harley-Davidson 1993–2022 Road King FLHR
Harley-Davidson 2011 Road King FLHR 103
Harley-Davidson 1982–1984 Tour Glide Classic FLT
Harley-Davidson 1992 Tour Glide Classic FLTC
Harley-Davidson 1981–1984 Tour Glide FLT
Harley-Davidson 1991–1995 Tour Glide Ultra Classic FLTCU
Harley-Davidson 1981–1982 Touring Electra Glide Classic FLHC
Harley-Davidson 1983–1990 Touring Electra Glide Classic FLHTC
Harley-Davidson 1984 Touring Electra Glide FLH
Harley-Davidson 1981–1990 Touring Electra Glide Sport FLHS
Harley-Davidson 1983–1988 Touring Electra Glide Standard FLHT
Harley-Davidson 1980–1990 Touring Tour Glide Classic FLTC
Harley-Davidson 1989–1990 Touring Tour Glide Classic Ultra FLTCU
Harley-Davidson 1981–1983 Touring Tour Glide FLT
Harley-Davidson 1991–2016 Ultra Classic FLHTCU
Harley-Davidson 2014–2016 Ultra Classic Twin-Cooled FLHTCU
74CI (1200CC) OHV Twin
1 model
Brand Year Model
Harley-Davidson 1978 Electra Glide FLH

Related Products

View all →

More from S&S

View all →

Who are we? Leeds Harley-Davidson - Iron City Motorcycles

Who are we? Leeds Harley-Davidson - Iron City Motorcycles

This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.

From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.

Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.

Free UK Delivery

On orders over £100

14-Day Returns

Easy & hassle-free

Authorised Dealer

Iron City Motorcycles

Secure Payment

256-bit encryption

It looks like you're in Europe

Would you like to view prices in €?