Hasport Chromoly Shaft Axle set for use with B-Series Engine Swap 88-91 Civic/CRX Y1/SH3 manual intermediate shaft - HP-EFBAX-Y1Axle set for use with B series engine swap into 88 91 Civic CRX. Works with Y1 SH3 manual intermediate shaft found in the 89 91 SiR model Civics and CRX. For street use, not for drag racing. Fitment: Honda Civic 88 91 Honda Civic DX w B Series Swap 90 91 Honda Civic EX w B Series Swap 88 91 Honda Civic LX w B Series Swap 89 91 Honda Civic Si w B Series Swap Honda CRX 88 91 Honda CRX DX w B Series Swap 88 91 Honda CRX HF w B Series Swap 88 91 Honda CRX