Bottom End

S&S Cycle #32-2239 - Flywheel Assembly - 4-250" Stroke - Carbureted Models - Evolution Big Twin '84-'98

This 4-1/4" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® 80" V80 engines and in 1984-'99 HD® Evolution big twins. Balanced to stock 80" cast pistons. Flywheels...

S&S Cycle #320-0350 - Flywheel - 4-3/8" - with Sprocket Bearing Race - Touring '07-'17 | Dyna '06-'17

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using high performance pistons that allow the use of connecting rods with full...

S&S Cycle #320-0351 - Flywheel -

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using high performance pistons that allow the use of connecting rods with full...

S&S Cycle #320-0352 - Flywheel Assembly - 4-3/8" - with Sprocket Bearing Race - 96"/103"/110" Twin Cam "A" '07-'16

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using stock pistons. Wrist pin end of connecting rods is tapered like stock...

S&S Cycle #320-0353 - Flywheel Assembly - 4-3/8" - w/o Sprocket Bearing Race - 96"/103"/110" Twin Cam "A" '07-'16

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using stock pistons. Wrist pin end of connecting rods is tapered like stock...

S&S Cycle #320-0354 - Flywheel Assembly - 4-3/8" - with Sprocket Bearing Race - Twin Cam "B" '99-'06 (except '06 Dyna)

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft has...

S&S Cycle #320-0355 - Flywheel Assembly - 4-3/8" - w/o Sprocket Bearing Race - Twin Cam "B" '99-'06

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft does...

S&S Cycle #320-0358 - Flywheel Assembly - 4-3/8" - with Sprocket Bearing Race - 96"/103"/110" Twin Cam "B" '07-'16

S&S® 4-3/8" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2007-'16 Internally Balanced HD® Big Twins - Stock Pistons FitmentYear(s)MakeModel CodeModel2007-2028Harley-Davidson

S&S Cycle #320-0359 - Flywheel Assembly - 4-3/8" - w/o Sprocket Bearing Race - 96"/103"/110" Twin Cam "B" '07-'16

S&S® 4-3/8" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 2007-'16 Internally Balanced HD® Big Twins - Stock Pistons FitmentYear(s)MakeModel CodeModel2007-2028Harley-Davidson

S&S Cycle #320-0360 - Flywheel Assembly - 4-3/8" - with Sprocket Bearing Race - Twin Cam "A" '99-'06 (except '06 Dyna)

S&S® 4-3/8" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) FitmentYear(s)MakeModel CodeModel1999-2006Harley-Davidson

S&S Cycle #320-0361 - Flywheel Assembly - 4-3/8" - w/o Sprocket Bearing Race - Twin Cam "A" '99-'06

S&S® 4-3/8" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 1999-'06 Non-balanced HD® Big Twins (Except 2006 Dyna Models) FitmentYear(s)MakeModel CodeModel1999-2006Harley-Davidson

S&S Cycle #320-0396 - Flywheel Assembly - 4.00" - with Sprocket Bearing Race - 88"/95"/100" Twin Cam "B" '03-'06

S&S® 4" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Internally Balanced HD® Big Twins (Except 2006 Dyna Models) FitmentYear(s)MakeModel CodeModel2000-2006Harley-Davidso

S&S Cycle #320-0402 - Flywheel Assembly - 4.00" - with Sprocket Bearing Race - 88"/95"/100" Twin Cam "A" '03-'06

S&S® 4" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) FitmentYear(s)MakeModel CodeModel1999-2006Harley-Davidson<

S&S Cycle #320-0403 - Flywheel Assembly - 4.00" - w/o Sprocket Bearing Race - 88"/95"/100" Twin Cam "A" '99-'02

S&S® 4" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 1999-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) FitmentYear(s)MakeModel CodeModel1999-2006Harley-Davidson

S&S Cycle #320-0450 - Stroker Flywheel Kit - 106" - Twin Cam

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require any special machining, other than fitting the pistons...