HEADER,SBC,1 1/2",66-91 GM TRUCKS,SUV,LONG TUBE,3",POLISHED STAINLESS STEEL

FEATURES:

• PERFORMANCE LONG TUBE HEADERS
• 1 1/2" PRIMARIES TO THE 3" COLLECTORS
• 2 1/2" REDUCERS
• MORE PERFORMANCE
• INCREASES HORSEPOWER & TORQUE
• BETTER FUEL MILEAGE
• GREAT CHOICE TO REPLACE CAST IRON EXHAUST MANIFOLDS
• ENHANCES THE LOOKS OF THE ENGINE COMPARTMENT
• INCLUDES GASKETS AND MOUNTING HARDWARE
• POLISHED STAINLESS STEEL TO RESIST EARLY RUST & CORROSION

DIRECT FIT APPLICATIONS:

• GM TRUCKS WITH SMALL BLOCK CHEVY 265-400 CU. IN. ENGINES:
  • CHEVY:
    • 1/2 TON TRUCKS:
      • 1966-1987 1/2 TON TRUCKS 2WD/4WD
    • 3/4 TON TRUCKS:
      • 1966-1987 3/4 TON TRUCKS 2WD/4WD
    • 1 TON TRUCKS:
      • 1966-1987 1 TON TRUCKS 2WD/4WD
      • 1988-1991 1 TON TRUCKS CREW CAB 2WD/4WD
    • BLAZER:
      • 1967-1989 BLAZER 2WD
      • 1969-1991 BLAZER 4WD
    • SUBURBAN:
      • 1973-1991 SUBURBAN 2WD/4WD
  • GMC:
    • 1/2 TON TRUCKS:
      • 1966-1987 1/2 TON TRUCKS 2WD/4WD
    • 3/4 TON TRUCKS:
      • 1966-1987 3/4 TON TRUCKS 2WD/4WD
    • 1 TON TRUCKS:
      • 1966-1987 1 TON TRUCKS 2WD/4WD
      • 1988-1991 1 TON TRUCKS CREW CAB 2WD/4WD
    • JIMMY:
      • 1967-1989 JIMMY 2WD
      • 1969-1991 JIMMY 4WD

IMPORTANT NOTES & EXCLUSIONS:

• 1. MUST MODIFY STOCK EXHAUST TO RETAIN CATALYTIC CONVERTER(S).
• 2. WILL NOT FIT WITH A.I.R. (SMOG) PUMP.
• 3. INSTALLATION ON VEHICLES 1978 AND EARLIER WITH AIR CONDITIONING WILL REQUIRE PURCHASE OF SWS # 410-5815 BRACKET.
• 4. 1979 AND LATER VEHICLES EQUIPPED WITH SHORT COMPRESSOR WILL RE-USE THE ORIGINAL BRACKET.
• 5. MAY REQUIRE CLUTCH LINKAGE MODIFICATIONS.
• 6. WILL NOT FIT ANGLE PLUG HEADS.
• 7. PRE-1970 VEHICLES WITH EXHAUST MOUNTED ALTERNATOR/GENERATOR WILL REQUIRE PURCHASE OF SWS # 410-5761 BRACKET.
• 8. APPLICATIONS WITH OXYGEN SENSOR WILL REQUIRE PURCHASE OF REDUCERS WITH O2 FITTINGS.

HEADER SPECS:

• MATERIAL TYPE: STEEL
• HEADER TUBE TYPE: LONG TUBE
• FLANGE THICKNESS: .380"
• FINISH: POLISHED STAINLESS STEEL
• HARDWARE INCLUDED: YES
• GASKETS INCLUDED: YES
• TUBE OUTSIDE DIAMETER: 1 1/2"
• COLLECTOR DIAMETER: 3"
• REDUCERS: 2 1/2"

POLISHED STAINLESS STEEL WARNING:

• STAINLESS HEADER TUBING WHEN EXPOSED TO EXHAUST TEMPERATURE WILL CAUSE THE FINISH TO CHANGE COLOR WHICH WILL VARY WITH THE EXHAUST TEMPERATURES. 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. THIS CAN BE POLISHED OUT WHEN UTILIZING BLUE-AWAY OR SIMI-CHROME POLISH, BUT PLEASE NOTE THAT WHEN THE HEADERS REACH RUNNING TEMPERATURE, THEY MAY CHANGE COLOR AGAIN. NO WARRANTY OR RETURNS ON POLISHED STAINLESS STEEL EXHAUST ITEMS ONCE THEY HAVE BEEN INSTALLED.

HEADER RETURN POLICY:

• PLEASE REFER TO THE HEADER MEASUREMENT CHART BELOW TO MAKE SURE THE HEADER WILL FIT YOUR VEHICLE AND APPLICATION BEFORE ORDERING. IN THE EVENT YOU ORDER A HEADER THAT WILL NOT FIT YOUR VEHICLE AND APPLICATION, YOU MAY RETURN THEM FOR A REFUND, PROVIDING YOU DONT DAMAGE THE HEADER. WHEN YOU RECEIVE THE HEADER THE FINISH WILL BE PROTECTED AND MUST REMAIN UNSCRATCHED FOR A REFUND. IF YOU BEND OR DIMPLE ANY OF THE TUBES OR SCRATCH THE FINISH, WE WILL NOT BE ABLE TO SELL THE HEADER AND WILL NOT BE ABLE TO PROCESS A REFUND. USE CARE WHEN TRIAL FITTING HEADERS. REPACK THEM WELL TO PREVENT DAMAGE RETURNING THEM TO US. WE WONT PROCESS REFUNDS FOR SCRATCHED, DIMPLED, DENTED, OR BENT HEADERS.

YOU CAN VIEW AND DOWNLOAD THE COMPLETE INSTRUCTIONS FOR THESE HEADERS HERE.