1975-77 300's and 1978 kohler 316's are a match.
312's should match if you find one with the optional panels.
317 is different
314 has same shape as 300 but the cutouts are different for exhaust.
later 316 and 318= different
312's should match if you find one with the optional panels.
317 is different
314 has same shape as 300 but the cutouts are different for exhaust.
later 316 and 318= different