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This product will fit your 1991 Harley Davidson Low Rider Sport FXRS-SP

S&S Cycle

S&S Cycle 561 Cam For Harley Big Twin Evo 1984-1999

Item: P274049

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S&S Cycle 561 Cam For Harley Big Twin Evo 1984-1999 Installation

Installation (pdf)

S&S 561 Cam For Harley Big Twin Evo

Features:

Works in all displacement Big Twin V2's with a variety of compression ratios
Ideally suited for stock to 88″ engines with up to 11:1 compression, 96″ engines with 10:1 and 98″ engines and larger engines with no greater than 9.5:1 compression
Moderate duration makes for great mid range performance
Supplied in many S&S Engine and Hot Set-Up kits

561 Cam Info:

Designed for 80-96" engines at 9.5:1-10.5:1 compression ratios
Strong midrange power
3000 RPM-5500 RPM
Intake open/close 32°/40°
Exhaust open/close 50°/26°
Intake duration 252°
Exhaust duration 256°
Lift .560"

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This product will fit your 1991 Harley Davidson Low Rider Sport FXRS-SP

Fitment Notes & Exceptions

This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.

Installer must check for coil bind, valve-to-valve clearance, valve-to-piston clearance, and cam lobe to case clearance
Cam bearings and gaskets must be replaced when installing new cams
Works with hydraulic lifters
High-lift valve springs are required to run this cam in all models

Harley Davidson: Disc Glide FXRDG 1984; Dyna Convertible FXDS 1994, 1995, 1996, 1997, 1998; Dyna Glide Custom FXDC 1992; Dyna Glide Daytona FXDB-D 1992; Dyna Glide Sturgis FXDB-S 1991; Dyna Low Rider FXDL/I 1993-1998; Dyna Super Glide FXD/I 1995, 1996, 1997, 1998; Dyna Wide Glide FXDWG/I 1993-1998; Electra Glide Classic FLHTC/I 1984-1998; Electra Glide Special FLHX 1984; Electra Glide Sport FLHS 1984-1993; Electra Glide Standard FLHT/I 1984-1998; Electra Glide Ultra Classic FLHTCU/I 1989-1998; Fat Bob FXEF 1985; FLH 1984, 1985; Low Glide/Low Rider FXRS 1984-1993; Low Rider Chrome FXRC 1985, 1986, 1987, 1988; Low Rider Custom FXLR 1987-1994; Low Rider Sport FXRS-SP 1987-1993; Road Glide FLTR/I 1998; Road King Classic FLHRC/I 1998; Road King FLHR/I 1994, 1995, 1996, 1997, 1998; Softail Bad Boy Springer FXSTSB 1995, 1996, 1997; Softail Custom FXSTC/I 1986-1999; Softail Deuce FXSTD/I 1999; Softail Fat Boy FLSTF/I 1990-1999; Softail Heritage Classic FLSTC/I 1987-1999; Softail Heritage FLST/I 1986, 1987, 1988, 1989, 1990; Softail Heritage Springer FLSTS/I 1997, 1998, 1999; Softail Night Train FXSTB/I 1999; Softail Nostalgia FLSTN/I 1993; Softail Special FLSTN/I 1994, 1995, 1996; Softail Springer FXSTS/I 1988-1999; Softail Standard FXST/I 1984-1999; Sport Glide FXRT 1984-1992; Sport Glide Grand Touring FXRD 1986; Super Glide FXE 1984, 1985; Super Glide FXR 1994; Tour Glide Classic FLTC/I 1984-1991; Tour Glide FLT 1984, 1985, 1986; Tour Glide Ultra Classic FLTCU/I 1989-1996; Wide Glide FXWG 1984, 1985, 1986

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style S&S Cycle 561 Cam For Harley Big Twin Evo 1984-1999	Item # 959707	Store SKU	Manufacturer Product # 33-5076	Availability In Stock: Ships within 24 hours

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