Located in Australia, ACL has been providing an extensive replacement product range to a global aftermarket for over 70 years. Their reputation for robust metallurgy, quality, precision, innovation &, of course, performance shows through their products. -Half Type: Identical Halves -Material: F820 -Min. Std Shaft Size: 63,492 mm / 2.4997 in -Max Std Shaft Size: 63,505 mm / 2.5002 in -Min. Std Tunnel Size: 67,208 mm / 2.6460 in -Max Std Tunnel Size: 67,221 mm / 2.6465 in -Max Wall at Crown: 1,824 mm / 0.0718 in -Max Overall Length: 34,03 mm / 1.3398 in