I have a tcat ,,zrt 1004 engine,I'll sell complete or just long block,I have a complete zr800 engine,800$,,,or 500$ for bottom end,,300$ for top end,,, a complete all new zr900,new cat crank,tru&welded,new spi pistons,all new gaskets,crank seals&water pump&seal s ,fairly fresh plated cylinders1200$......2 zrt800 or tcat900 bottom ends500$ each