HEADER & Y-PIPE,5.3L VORTEC,1 7/8",07-13 SILVERADO,3",STAINLESS STEEL Brake Duct Hose PLEASE NOTE THAT THE FINISH

PLEASE NOTE THAT THE FINISH OF THE HEADER WHEN THE ENGINE IS STARTED WILL CHANGE TO A LIGHT CHAMPAGNE COLOR TO A DARKER GOLD FINISH AND IN SOME INSTANCE MAY EVEN TURN DARK BLUE OR PURPLE

Fan Diameter: 17 Inch

This pump has a special internal manifold that only requires one -16 AN return line

KIT COMES WITH 4 STUDS

*CENTER OF PITMAN ARM PIN TO CENTER OF IDLER ARM PIN: 24"

HEADER & Y-PIPE,5.3L VORTEC,1 7/8",07-13 SILVERADO,3",STAINLESS STEEL Brake Duct Hose PLEASE NOTE THAT THE FINISHBRAND NEW SOUTHWEST SPEED LONG TUBE HEADERS WITH Y PIPE, POLISHED STAINLESS STEEL, 1 7 8" TUBE DIAMETER, 3. 0" COLLECTORS (PART #440 0105) FITS: CHEVROLET: 2007 2013 SILVERADO V8 4. 8 5. 3 6. 0 6. 2L GMC: 2007 2013 SIERRA V8 4. 8 5. 3 6. 0 6. 2L FEATURES: 1 7 8" PRIMARY TUBES WITH 3" COLLECTORS FOR IMPROVED EXHAUST FLOW 3 8" STEEL FLANGES FOR DURABILITY LONG TRANSITION COLLECTORS WITH MERGE SPEARS FOR MAXIMUM FLOW AND INCREASED EXHAUST VELOCITY TUBE