There are several Tension/Compression Rod Bearing Kits on eBay and they sound good and are relatively inexpensive. So what's the bottom line as these kits? Are they worth installing and as good as the descriptions on eBay? Which one is better - Experimental Engineering or G-Machine? You can search for '240Z T/C kit' oneBay, but here's some current links:
http://www.ebay.com/itm/DATSUN-240Z-260Z-280Z-T-C-Kit-2851610-by-G-Machine-/260818283646?pt=Motors_Car_Truck_Parts_Accessories&fits=Model%3A240Z&hash=item3cb9fb2c7e&vxp=mtr
http://www.ebay.com/itm/T-C-Kit-for-Datsun-240Z-260Z-280Z-/171008922985?pt=Vintage_Car_Truck_Parts_Accessories&fits=Model%3A240Z&hash=item27d0ed1569&vxp=mtr