HEADER & Y-PIPE,5.3L VORTEC,1 7/8",07-13 SILVERADO,3",BLACK Pulley Kits w/o Pumps BRAND NEW CHROME UPPER ALTERNATOR

BRAND NEW CHROME UPPER ALTERNATOR BRACKET & WATER PUMP MOUNT LOWER BRACKET FOR SMALL BLOCK CHEVY WITH LONG WATER PUMP (PART #410-5789)

1970-1972 MONTE CARLO**

-4 AN TO 1/8" NPT FITTING

1964-1966 CHEVELLE

HEADER & Y-PIPE,5.3L VORTEC,1 7/8",07-13 SILVERADO,3",BLACK Pulley Kits w/o Pumps BRAND NEW CHROME UPPER ALTERNATORBRAND NEW SOUTHWEST SPEED LONG TUBE HEADERS WITH Y PIPE, BLACK FINISH, 1 7 8" TUBE DIAMETER, 3. 0" COLLECTORS (PART #440 0103) 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 GEOMETRY