Standard-Duty Black Ceramic-Coated, Long-Tube Headers For 1971-91 CHEVY/GMC Class C Conversion Vans/Motorhomes with 283-400 SB Chevy Engine, No A.I.R. (Centered Engine Chassis Only); 1-5/8 in. Long Tubes; 3 in. Ball/Socket Collector
[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]