| Bolt Pattern Desired | Year of Spindle | Year of Axle Housing | Available Front Kit | Available Rear Kit | Notes |
| 4 Lug, 4x110mm | 1979-1983 | 1979-1983 | Mark II Kit | NONE | 4x110MM and 4x114.3 Bolt Patterns. Stock Wheel Offset |
| 4 Lug, 4x110mm | 1984-1985 | 1979-1983 | Mark II Kit, Big Bearing | NONE | 4x110MM and 4x114.3 Bolt Patterns. Stock Wheel Offset |
| 5 lug, 5x114.3mm | 1984-1985 | 1979-1983 | Mark I Kit | NONE | 5x114.3 Bolt Pattern, 1986-1991- 5 Lug Hubs, Rotors. 4.5” backspace wheels recommended |
| 5 lug, 5x114.3mm | 1984-1985 | 1984-1985 | Mark I Kit | Mark I Rear Kit | 5x114.3 Bolt Pattern, 1986-1991- 5 Lug Hubs, Rotors. 4.5” backspace wheels recommended. |
| Must use 5 lug axles, sold separately or have stock parts re-drilled. | |||||
| 4 lug, 4x114.3mm | 1984-1985 | 1979-1983 | Mark I Kit | NONE | 1986-1991 4 Lug Hubs. Front 5 Lug rotors re-drilled to 4 lug. 4.5” backspace wheels recommended |
| Special 1/8” shims to go behind the rotor may be needed, and are sold separately | |||||
| 4 lug, 4x114.3mm | 1984-1985 | 1984-1985 | Mark I Kit | Mark I Rear Kit | 1986-1991 4 Lug Hubs. Front and Rear 5 Lug rotors re-drilled to 4 lug. 4.5” backspace wheels recommended. |
| Special 1/8” shims to go behind the rotor may be needed, and are sold separately | |||||
| GSL-SE or ReSpeed 4 lug axles will be needed. |
The following list shows all the possible combinations. First choose your desired bolts pattern, then the year of struts and year of rear end.
hi, I've been wanting to do the brig brake upgrade on my 84 gslse for some time now, I just wanted to ask a fewquestions prior purchase, the rotors and bearings I have up front are fairly new is it possible to use that rotor and bearings or does 2nd gen stuff, I wanted to keep it 4 lug also, 2nd question does it matter which hubs I purchase either turbo II, convertible, or base to do the upgrade? Thanks in advance for your help
QUOTE (Thafox @ May 7 2009, 07:36 PM) 
hi, I've been wanting to do the brig brake upgrade on my 84 gslse for some time now, I just wanted to ask a fewquestions prior purchase, the rotors and bearings I have up front are fairly new is it possible to use that rotor and bearings or does 2nd gen stuff, I wanted to keep it 4 lug also, 2nd question does it matter which hubs I purchase either turbo II, convertible, or base to do the upgrade? Thanks in advance for your help
The outer wheel bearing can be re-used. It is the same. The inner will need to be second gen.
To keep the 4lug SE pattern you can use any second gen 4 lug hub. You still want to use the 5 lug rotors and have them re-drilled 4 lug.
The MarkI kit will move inboard around 3/8" from where your SE wheels currently sit. In case you planned on re0using the wheels you have you will want to double check you have the clearance.
-billy
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