GUTS Racing Tall Height foam KTM SX SXF 16 18 EXC 17 19 Madison KTM YEAR 85 SX 18 20 New Refined Regular Fit KTM YEAR 85 SX 18 20 125 XC W 17 20 125 SX 16 20 150 SX 16 20 150 XC W 17 20 250 EXC TPI 17 20 250 SX 17 20 250 SX F 16 20 300 EXC TPI 17 20 350 EXC F 17 20 350 SX F 16 20 450 EXC F 17 20 450 SX F 16 20 500 EXC F 19 20 HUSQVARNA TC 85 18 20 TC 125 16 20 TE 125 17 20 FC 250 16 20 FE 250 17 20 TC 250 17 20 TE 250 i 17 20 TE 300 i 17 20 FC 350 16 20 FE 350 17 20 FC 450 16 20 FE 450 17 20 FE 501 17 20 Husqvarna FE450 14 23 front so fitment is as good as OEM GUTS Seat Foams are the only choice should your modern or Evo bike need a replacement