BRAND NEW SET OF SOUTHWEST SPEED FLAT BLACK 1955-1957 CHEVY FENDERWELL HEADERS FOR BIG BLOCK CHEVY 396-502CI ENGINES. THIS PAIR OF SOUTHWEST SPEED FENDERWELL HEADERS ARE GREAT FOR HOT RODS, STREET RODS, RAT RODS, & NOSTALGIA RODS, AND ARE HOTTER THAN EVER. NOTHING GIVES YOUR BIG BLOCK 1955-1957 CHEVY, PERFORMANCE AND SOUND LIKE A SET OF OUR FENDERWELL STYLE HEADERS. DESIGNED TO FIT OVER THE FRAME RAILS AND EXIT INSIDE THE FRONT FENDERS AT BOTTOM OF THE COWL, THESE HEADERS ARE PERFECT FOR THAT BIG BLOCK CHEVY INSTALLATION IN THE POPULAR TRI-5 CHEVYS. USING THE FENDERWELL DESIGN ALLOWS THE PRIMARY TUBES TO BE LONGER, GREATLY INCREASING PERFORMANCE.GROUND PARALLEL WITH .350" FLANGES ON THE CYLINDER HEAD SURFACE WITH 2" PRIMARY TUBES, THESE HEADERS FEATURE 3-1/2" COLLECTORS AND ARE SUPPLIED WITH 2-1/2" REDUCERS THAT BOLT TO THE COLLECTORS, TO CONNECT THE REST OF THE EXHAUST SYSTEM TO THE VEHICLE. COMPLETE WITH HEADER BOLTS AND GASKETS AND REDUCER BOLTS AND GASKETS. THE HEADER FLANGE IS A 2" ROUND TUBE AT THE PORT AND WILL BOLT TO ALL BIG BLOCK CHEVY HEADS, WITH NO SPARK PLUG OR SPARK PLUG WIRE RESTRICTIONS, ALTHOUGH WE STRONGLY RECOMMEND RUNNING THE SPARK PLUG WIRES UNDER THE HEADERS. THESE HEADERS REQUIRE EITHER CUTTING OR REMOVING THE INNER FENDERWELLS, FOR THIS REASON WE ONLY SUGGEST THESE HEADERS FOR EXPERIENCED BUILDERS. NOT FOR LOWERED ENGINE APPLICATIONS, STOCK BELLHOUSING LOCATION IS IMPERATIVE FOR THESE HEADERS TO FIT TRI-5 APPLICATIONS. THESE HEADERS FIT TIGHT ABOVE THE STEERING BOX AND IN SOME APPLICATIONS MAY REQUIRE MINOR GRINDING OR CHANGING OF THE STEERING BOX ADJUSTING COVER BOLTS. THE STOCK EMERGENCY BRAKE ROD MUST EITHER BE ALTERED OR REMOVED FOR THESE HEADERS TO FIT. LARGE FRONT TIRES ALSO INTERFERE WITH THESE HEADERS IN SOME INSTANCES, DEPENDING ON FRONT ENGINE MOUNTING LOCATION. NOTE: WE STRONGLY SUGGEST YOU REFER TO MEASUREMENT CHART BELOW TO INSURE HEADERS WILL FIT YOUR VEHICLE AND APPLICATION, BEFORE ORDERING.FEATURES: 2" PRIMARIES TO THE 3-1/2" COLLECTORS GREAT FOR HOT RODS, STREET RODS, RAT RODS, & ANY NOSTALGIA ROD MORE PERFORMANCE BETTER FUEL MILEAGE NICE CHOICE TO REPLACE CAST IRON EXHAUST MANIFOLDS ENHANCES THE LOOKS OF ANY ROD INCLUDES GASKETS AND MOUNTING HARDWARE PAINTED FLAT BLACK TO RESIST EARLY CORROSION APPLICATIONS: FITS ALL BIG BLOCK CHEVROLET V-8 ENGINES WITH STANDARD EXHAUST PATTERN FITS 396-502 CU. IN. BIG BLOCK CHEVROLET PAINT WARNING:THESE HEADERS ARE PAINTED WITH A HIGH HEAT DULL BLACK PAINT. IT WILL GENERALLY DULL EVEN MORE WHEN THE ENGINE IS STARTED. THE HEADER PAINT WILL SMOKE AND LET OFF AN ODOR THE FIRST FEW TIMES THE ENGINE IS UP TO TEMPERATURE AND THE BLACK FINISH WILL BECOME DULLER TURNING CLOSER TO GRAY IN COLOR. IF EXHAUST TEMPERATURES ARE EXTREME AT START THE PAINT WILL BLISTER AND PEEL. THERE IS NO WARRANTY ON HEADER PAINT.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.
