HEADER,BBC,1 3/4",75-91 GM TRUCKS,SUV,LONG TUBE,3",CHROME PLATED A-Arms Camaro *1981 PONTIAC FIREBIRD & TRANS

*1981 PONTIAC FIREBIRD & TRANS AM WITH V6 ENGINE

OUTLAST TRADITIONAL RUBBER MOUNTS

USES 1" CHEVY HUBS & ROTORS #203-850

BUICK: 1978-1987 REGAL

as well as thermal expansion of only 0

HEADER,BBC,1 3/4",75-91 GM TRUCKS,SUV,LONG TUBE,3",CHROME PLATED A-Arms Camaro *1981 PONTIAC FIREBIRD & TRANSBRAND NEW SOUTHWEST SPEED TRIPLE PROCESS CHROME PLATED PERFORMANCE LONG TUBE HEADERS THAT ARE DIRECT FIT FOR 1975 1991 GM TRUCKS WITH BIG BLOCK CHEVY 396 454 CU. IN. ENGINES (SWS PART #440 2446). THIS PAIR OF SOUTHWEST SPEED PERFORMANCE LONG TUBE HEADERS OFFER AN IMMEDIATE INCREASE IN PERFORMANCE BY ELIMINATING BACKPRESSURE, IMPROVING EXHAUST FLOW, AND BUILDING MORE HORSEPOWER. THE CONSISTENT TUBING DIAMETER CONTRIBUTES TO THE SMOOTH AIR FLOW AND