The outlaw has a smaller compressor wheel other than that everything else is identical.
SP51X Turbine 50x42mm (standard) and Compressor 51mm Frame w/ 3mm extended tip Actual 54x39.5x5.5mm
SP56R Turbine 50x42mm (standard) and Compressor 56x42x6mm
K04-015 Turbine 46x42mm (clipped) and Compressor 51x38x5mm (factory spec)
We offer both options, send your turbo to our workshop or receive a turbo from us at a higher price.
Its easier to send it here and less expensive as the turbine manifolds are not cheap if you want one that wont melt!
SP51X-$650 (client provides core)
SP56R-$900 (client provides core)
SP51X-$850 (new turbine manifold)
SP56R-1100 (new turbine manifold)