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	Big Bore
Bore Size	4.250"
Compression Ratio	11.2:1
Displacement	124"
Stroke Length	4.375"
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	FXLRS Low Rider S 114	-	-
2020-2021	Harley-Davidson	FLTRK Road Glide Limited	-	-
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	FLHCS Heritage Classic 114	-	-
2018-2021	Harley-Davidson	FLSL Softail Slim 107	-	-
2018-2021	Harley-Davidson	FLHC Heritage Classic 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	FXBB Street Bob 107	-	-
2018-2020	Harley-Davidson	FXLR Low Rider 107	-	-
2018-2020	Harley-Davidson	FLDE Deluxe 107	-	-
2018-2020	Harley-Davidson	FXBRS Breakout 114	-	-
2018-2019	Harley-Davidson	FLFB Fat Boy 107	-	-
2018-2019	Harley-Davidson	FXBR Breakout 107	-	-
2018-2019	Harley-Davidson	FXFB Fat Bob 107	-	-
2017-2021	Harley-Davidson	Electra Glide Police FLHTPI	-	-
2017-2021	Harley-Davidson	FLHR Road King	-	-
2017-2021	Harley-Davidson	FLHTCUTG Tri Glide Ultra	-	-
2017-2021	Harley-Davidson	FLHTK Ultra Limited	-	-
2017-2021	Harley-Davidson	FLRT Freewheeler	-	-
2017-2021	Harley-Davidson	FLHTKSE CVO Limited	-	-
2017-2021	Harley-Davidson	FLHXS Street Glide Special	-	-
2017-2021	Harley-Davidson	FLHRXS Road King Special	-	-
2017-2021	Harley-Davidson	FLTRXS Road Glide Special	-	-
2017-2021	Harley-Davidson	FLHX Street Glide	-	-
2017-2021	Harley-Davidson	FLHXSE CVO Street Glide	-	-
2017-2021	Harley-Davidson	FLTRX Road 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

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