Top-quality custom-forged piston kits manufactured with high-strength aluminum alloy
Include pistons with skirt coating, rings, chrome piston pins, and retainer clips
High-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
High-tension compression rings with 3.000 mm oil scrapper rails
Offset pin design for smoother operation
Replacement ring sets sold as a set for one piston
Made in the USA
Notes
Intended for use with Revolution cylinder kits only.
Not recommended for use with cast-iron/ductile-sleeved cylinders.
Product Name
Piston Kit
Type
Monster Big Bore
Bore Size
4.500"
Compression Ratio
11.3:1
Displacement
143"
Stroke Length
4.500"
Piston Head Shape
Flat Top
Units
Kit
Riding Style
Street
FITS
2021
Harley-Davidson
FLH Electra Glide Revival
-
-
2021
Harley-Davidson
FXBBS Street Bob 114
-
-
2020-2021
Harley-Davidson
FLHTCUTGSE CVO Tri Glide
-
-
2020-2021
Harley-Davidson
FLTRK Road Glide Limited
-
-
2020-2021
Harley-Davidson
FXLRS Low Rider S 114
-
-
2020-2021
Harley-Davidson
FXST Softail Standard 107
-
-
2019-2021
Harley-Davidson
FLHT Electra Glide Standard
-
-
2019-2020
Harley-Davidson
FXDRS FXDR 114
-
-
2018-2021
Harley-Davidson
FLFBS Fat Boy 114
-
-
2018-2021
Harley-Davidson
FLHC Heritage Classic 107
-
-
2018-2021
Harley-Davidson
FLHCS Heritage Classic 114
-
-
2018-2021
Harley-Davidson
FLSL Softail Slim 107
-
-
2018-2021
Harley-Davidson
FXFBS Fat Bob 114
-
-
2018-2021
Harley-Davidson
FLSB Sport Glide 107
-
-
2018-2021
Harley-Davidson
FLTRXSE CVO Road Glide
-
-
2018-2020
Harley-Davidson
FLDE Deluxe 107
-
-
2018-2020
Harley-Davidson
FXBRS Breakout 114
-
-
2018-2020
Harley-Davidson
FXBB Street Bob 107
-
-
2018-2020
Harley-Davidson
FXLR Low Rider 107
-
-
2018-2019
Harley-Davidson
FLFB Fat Boy 107
-
-
2018-2019
Harley-Davidson
FXFB Fat Bob 107
-
-
2018-2019
Harley-Davidson
FXBR Breakout 107
-
-
2017-2021
Harley-Davidson
Electra Glide Police FLHTPI
-
-
2017-2021
Harley-Davidson
FLRT Freewheeler
-
-
2017-2021
Harley-Davidson
FLHR Road King
-
-
2017-2021
Harley-Davidson
FLHX Street Glide
-
-
2017-2021
Harley-Davidson
FLHXS Street Glide Special
-
-
2017-2021
Harley-Davidson
FLHRXS Road King Special
-
-
2017-2021
Harley-Davidson
FLHTKSE CVO Limited
-
-
2017-2021
Harley-Davidson
FLHTCUTG Tri Glide Ultra
-
-
2017-2021
Harley-Davidson
FLHTK Ultra Limited
-
-
2017-2021
Harley-Davidson
FLTRX Road Glide
-
-
2017-2021
Harley-Davidson
FLTRXS Road Glide Special
-
-
2017-2021
Harley-Davidson
FLHXSE CVO Street Glide
-
-
2017-2019
Harley-Davidson
FLHTKL Ultra Limited Low
-
-
2017-2019
Harley-Davidson
FLHTCU Electra Glide Ultra Classic
-
-
2017-2019
Harley-Davidson
FLTRU Road Glide Ultra
-
-