K-Series 4-1 EG/EK/EF swap chassis CRX EF lean k series A 6-point motorcycle inspired 14mm

A 6-point motorcycle inspired 14mm nut with washer is included with each stud

fastener burn

Will fit all B/D/H/F series engine

5” and 4”

K-Series 4-1 EG/EK/EF swap chassis CRX EF lean k series A 6-point motorcycle inspired 14mmK series street application 4 1 swap header, for K series Hasport non lean mounts with megaphone and reverse cone. Fit EG EK DC chassis Built per application. Multi step design, CNC machine ultra light flange, U. S grade 304 stainless, brush finish, stainless steel spring hardware, argon filled back purge, fully TIG welded. Race header optional 3" V band available for exhaust connection. 3 4 week lead time.