Stainless Works 1990-95 ZR1 Corvette full length off-road headers. 2" tuned length primary tubes, 3/8" cnc laser cut flanges. Port Matched to factory cylinder heads with oval ports. These headers make awesome power and are dyno proven to make over 30 RWHP more than factory manifolds. Excellent fitting headers. Includes 3" ball socket and 3" bend and clamps to connect to factory connection points. Mill finish. Fits factory exhaust or Stainless Works 3" exhaust systems (P/N ZR1C or ZR1S).