Part Number | Lock Part | Upper Locking Point | Extension Length Overall | Top Extension + Gear = Door Panel Height | Roller & Release Trigger Location from bottom of door up, If HH is 36″ ALTERNATE LP #1 |
8778579 |
Top Extension | Tongue | 1045mm – 41 1/8″ | Use For Door Panel Heights Between 71 1/16″ – 78 1/4″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 64 3/4″ |
8778583 |
Top Extension | Tongue | 1220mm – 48″ | Use For Door Panel Heights Between 71 1/16″ – 85 5/8″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 72 9/16″ |
8778587 |
Top Extension | Tongue | 1395mm –54 15/16″ | Use For Door Panel Heights Between 79 1/8″ – 92 1/2″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 80 5/8″ |
8778591 |
Top Extension | Tongue | 1570mm –61 13/16″ | Use For Door Panel Heights Between 79 1/8″ – 99 7/16″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 86 9/16″ |
8778595 |
Top Extension | Tongue | 1745mm-68 11/16″ | Use For Door Panel Heights Between 88 3/4″ – 106 5/16″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 86 9/16″ |
8778607 |
Top Extension | Tongue | 2270mm – 89 3/8″ | Use For Door Panel Heights Between 104 1/2″ – 126 15/16″ | Roller release trigger @ 42 1/2″ / Upper Tongue lock point @ 99″ |