Latest Generation CNC milled Naraku Racing Cutch Bell with 107mm inner diameter. The advantage of using this over the stock bell is the extremely low tolerance and high strength making distortion almost impossible. This bell provides clean and low vibration running up to the highest speeds with very good heat dissipation. Can be used on stock engines and highly tuned engines. Suitable for Minarelli 50cc Engines as listed: APRILIA Area 51 98-02 ZD4MY Gulliver 50 AC 96-98 ZD4LH02 Gulliver 50 LC 97-99 ZD4LHA Rally 50 AC 96-04 ZD4MD0 Rally 50 LC 97-98 ZD4MDB SR 50 AC 94-96 (Minarelli Engine) ZD4MR SR 50 LC 94-96 (Minarelli Engine) ZD4LC SR 50 LC 97-99 (Minarelli Engine) ZD4MZ SR 50 Netscaper LC 97-98 (Minarelli Engine) ZD4MZ SR 50 Stealth LC 97-98 (Minarelli Engine) ZD4MR SR 50 WWW AC 00-02 (Minarelli Engine) ZD4LY SR 50 WWW AC 97-00 (Minarelli Engine) ZD4LY Scarabeo 50 2T AC 93-97 (Minarelli Engine) 072 / 081 / 081P1 / 092 / 094 Scarabeo 50 2T AC 97-06 (Minarelli Engine) ZD4PF Sonic 50 AC 98-07 (Minarelli Engine) ZD4PBB0 Sonic 50 LC BENELLI 491 GT 50 AC (-03) (Minarelli Engine) 491 RR 50 (-03) (Minarelli Engine) 491 RR Replica 50 (-03) (Minarelli Engine) 491 ST 50 (-03) (Minarelli Engine) 491 Sport 50 (-03) (Minarelli Engine) K2 50 AC (-03) (Minarelli Engine) K2 50 LC (-03) (Minarelli Engine) Naked 50 AC (-03) (Minarelli Engine) Pepe 50 (-03) (Minarelli Engine) ITALJET Dragster 50 (Minarelli Engine) KTM Ark 50 AC Ark 50 LC Chrono 50 Quadra 50 Tempo 50 MBK Mach G 50 AC 02- SA22 Mach G 50 LC 02- SA22 Nitro 50 -98 55BR Nitro 50 03-12 SA14 Nitro 50 99-02 55BR Nitro 50 Naked 05-12 4B0 Nitro 50 Naked 13- 1PL Nitro R 50 2T 13- 1PH Ovetto 50 2T YAMAHA Aerox 50 -98 5BR Aerox 50 03-12 SA14 Aerox 50 99-02 5BR Aerox Naked 50 2T 13- SA424 Aerox R 50 2T 13-14 SA421-00 Aerox R 50 2T 14- SA421-01 Axis 50 3UG/5AK Breeze 50 4RC Jog 50 92-01 4SC, 3SA Jog 50 R AC 02-12 SA22 Jog 50 R AC 13- SA486 Jog 50 RR LC 02-17 SA22 Neos 50 2T 02-03 SA151 Neos 50 2T 04-07 SA211 Neos 50 2T 08-12 SA34 Neos 50 2T 13- SA451 Neos 50 2T 97-01 5AD Neos Easy 50 2T 13- SA457 Why 50 02-03 SA03B Why 50 04-13 SA03E Why 50 99-01 SA036 Zest 50 93-99 4FW