nmehdikh Posted February 12, 2017 Share Posted February 12, 2017 Car is a 1973 240zBoth Zcar and atlanticZ list the half-shaft ujoints as D: 28.02mm and L of 52.9mmOreilly has them at D28.02mm by L of 56mmAutozone has them at D24.99mm by L of 44mmNAPA has them at D28.02mm by L of 56mmZcar depot has two different ones A and B with no specsZstore lists no specs either...So.... which the hell do I buy?I just need some cheapo replacements. They don't need to withstand tons of power, or last forever. Quote Link to comment Share on other sites More sharing options...
ZHoob2004 Posted February 15, 2017 Share Posted February 15, 2017 For half shafts you want 393 u joints. AutoZone lists mostly 393 and one 391. 391 is what you use for the propeller shaft. Look closer on the Atlantic z page and you'll see both joints are listed. Quote Link to comment Share on other sites More sharing options...
NewZed Posted February 15, 2017 Share Posted February 15, 2017 The Nissan u-joints are very high quality, precise and accurate machine parts. A 100,000 mile Nissan u-joint with the proper thickness retaining clips is probably tighter than a brand new parts store u-joint. Don't assume that new is better. Those Nissan joints are good stuff. Quote Link to comment Share on other sites More sharing options...
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