Used cosworth parts 5 speed QUAIFE dog gear box very good £ 3500 7 1/2 " front diff with sump and shaft £ 3500 R&D plated 7.5 " front diff complete £ 2500 Complete tarmac mag rear end ( black arms ) £ 2550 complete set of GPA proflex £ 3250 pair of complete GPA front drive shafts alloy upright to std diff £ 500 Green mag rear arms new £ 450