COVER, L CYLINDER HEAD SIDE ROUND LEFT SIDE HEAD COVER fits all China engines that have larger left cover @ *COVER_LH ROUND_LARGE fits_all_China engines_that_have larger_left_cover(221N) 221N @ LEFT_SIDE ROUND_HEAD_COVER BOLT (SOLD_EACH) (297Z)THESE FIT ALL 50CC TO 150CC LIFAN'S 297Z @ LF120 ROUND_LEFT_HEAD COVER_GASKET (LF120/31) LF120/31