HEADER,SBC,1 1/2",66-91 GM TRUCKS,SUV,LONG TUBE,3",CERAMIC HOT COATED

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
• CERAMIC HOT COATED 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: CERAMIC HOT COATED
• HARDWARE INCLUDED: YES
• GASKETS INCLUDED: YES
• TUBE OUTSIDE DIAMETER: 1 1/2"
• COLLECTOR DIAMETER: 3"
• REDUCERS: 2 1/2"

CERAMIC HOT COATING WARNING:

• CHC COATINGS WILL BURN AND BE DAMAGED AT EXHAUST TEMPERATURES OVER 1300 DEGREES. A LEAN FUEL MIXTURE CAN GENERATE EXHAUST TEMPERATURES EXCEEDING 1700-1900 DEGREES. IF THE COATING IS DAMAGED DUE TO A LEAN CONDITION, THE COATING WILL NOT BE WARRANTED, BUT CAN BE RECOATED FOR A FEE. NO WARRANTY OR RETURNS ON CERAMIC HOT COATED 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.