IRS Pro Street Transmission 3.88 Ring and Pinion. Type 1 Beetle Bus

PRO STREET
IRS Gearbox 
4-spider Super-Diff
Heavy duty Aluminium side plate
Welded 3rd & 4th gear hubs
hardened keys.
Ratios:
1st gear: 3.80
2nd gear: 2.06
3rd gear: 1.26
4th gear: 0.89
Ring + Pinion: 3.88
Available as 2 or 3 bolt front gearbox mount.
This product is sold on an exchange basis.
Vehicle fitment:
Beetle: 1972 � 1979
Splitscreen Van: 1960 � 1967
Karmann Ghia: 1972 � 1974
Type 3: 1972 � 1973
Trekker: 1972 � 1985
Buggy & Baja: 1972 � 1979
A £399 surcharge will be charged until the return of your old unit.
(Free post not applicable to gearboxes, £99 fee to have delivered to uk address and your exchange unit returned at the same time)
All of our gearboxes are for street use/street cars only. 
No guarantee if used in any form of racing, time trial or track use.
12 months warranty/8,000 miles whichever comes soonest.
Warranty is return to us at your cost, for inspection. 
Any issues we must be notified and item sent in for inspection. 
Any person to strip down, or attempting repair, other than our specified gearbox builder will void the warranty.
Any repairs carry on with original warranty only.
Return shipping is at customer cost.