The PC535 will fit the following:
 
Motorcycles
Ducati
907IE Paso 1991 - 1994
906 Paso 1990
 
Harley Davidson
1340 FXR 1999 - 2000
1340 FX/FXR 1979 - 1994
1200 XL, XLH 1987 - 1996
1200 FX Series (Electric start) 1971 - 1978
1100 XL Series 1987 - 1993
1000 XL Series 1979 - 1985
1000 XLH Sportster 1979 - 1986
1000 XLX-61, XR1000 1983 - 1985
883 XLH 1986 - 1996
 
Personal Watercraft
Arctic Cat
Tiger Shark (ALL Models) 1993 - 2001
 
S.O.S. Marine Mfg
All sizes All Models
 
Wet Jet
All sizes All Models All years
 
For other applications be sure to check the dimensions of your stock battery for fit.