Yukon Gear Standard Open Cross Pin Shaft (.750in) For Ford 8in / 8.8in / 9in and Model 20 1977-ford-ltd-esi7267521 What does "52mm Journal Size"

What does "52mm Journal Size" refer to

This set has the thrust flange at the #3 main position — confirm which position your block uses before ordering

With their traditional 71mm bolt spacing

Forged 6061 aluminum V

"text": "Lowered vehicles may require additional modification for proper ground clearance

Yukon Gear Standard Open Cross Pin Shaft (.750in) For Ford 8in / 8.8in / 9in and Model 20 1977-ford-ltd-esi7267521 What does "52mm Journal Size"Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon. Installation Instructions Cross Pin Shaft For Ford 8 in.; 8. 8 in. And 9 in. And AMC Model 20 Cross pin shaft for Ford 8", 8. 8" and 9" and AMC Model 20 Fits Standard Open