GTS in HQ had 14x6 steel N66 rally rims, as was early HJ. From January 1975 you could option 14x7 PE1 rims (polycast) but the 14x6 N66 rally rim remained standard on GTS, plus in HZ you could option the N71 14x6 wire wheel on GTS. On 18/8/78 the N67 14x6 alloy rally rim replaced the N66 and the PE1 polycast wheel as standard or optional fitment on GTS.
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