Just installed sparco r100s in my 71. Highly recommend to those looking for bucket seats : r/Datsun
Racing Car Seat Datsun 510 Sport Bucket Seats For Old School Classic Car - Buy Racing Car Seat Datsun 510 Sport Bucket Seats For Old School Classic Car Product on Alibaba.com
Upholstery : 1968-70 Datsun Roadster Front Bucket Seats
Datsun Competition Replica Seats – Secret Factory USA – Classic Japanese Car Parts and Builds