• 301. Sport
• 309. Silencer Douglas
• 310. Praga 350
• 311. Praga 500
• 312. ARIEL RH 350 / 500
• 313. ARIEL 1928 - 1930
• 314. B.S.A 1929 - 1936
• 315. A.J.S. 1929 - 1935
• 316. ARIEL 1931 - 1938
• 320. FN 350
• 321. FN 500
• 322. OGAR II.
• 326. ARIEL - RH (Red Hunter) diameter 82 mm , fishtail for clamp
• 327. ARIEL - RH (Red Hunter) diameter 70 mm , fishtail welded
• 328. ARIEL - fishtail by clamp or to be weld
• 329. ARIEL silencers clamp
• 332. ARIEL 250 / 350 1929 - 1932