1/2″ Long Lug Stud #42 6/8 Lug Air-Tight Rear Seal (AT-5300) has been added to your order form. Checkout View Order Form $3.95 The Shoulder Micrometer is .545. The Over All Length of the stud is 2 11/16″ X 1/2 “X 20 1/2" Long Lug Stud quantity Add To Order Form SKU: 2240 Categories: Components, Hubs **The Shoulder Mic .545. Over All Length 2 11/16". 1/2" X 20** Related products 1 3/4″ Race 25520 $7.95 Part #:1645 Fits The 6 And 8 Lug 1 3/4" Rear Bearing (25580) Part # 1646 Add To Order Form 1″ Bearing L44643 $5.95 Part #:1603 1" Is The Measurement Of The Inner Diameter On The Bearing. L44643 Add To Order Form 1 1/16″ Race L44610 $2.95 Part #:1652 Fits The 1 1/16" Bearing (L44649) Part # 1653. Most Common In 5 Lug 2K Rated Hubs And the Front Race On 3.5K 5 Lug hubs. Add To Order Form 1 3/8″ Race 68111 $3.95 Part #:1643 Fits The 5 Lug 1 3/8" Rear Bearing (68149). Part # 1644 Add To Order Form