BRAND NEW PAIR OF SOUTHWEST SPEED SHORTY HEADERS, CERAMIC COATED, 1-1/2" TUBES, 2-1/2" COLLECTORS, 305-350 SMALL BLOCK CHEVY SOUTHWEST SPEED HEADERS ARE THE PERFECT COMBINATION OF PERFORMANCE AND VALUE. SOUTHWEST SPEED SHORTY HEADERS ARE PRECISION ENGINEERED USING MANDREL BENT TUBING, FORMED COLLECTORS AND 5/16" FLANGES WITH SEALING RINGS FOR A LEAK-FREE SEAL. ALL MOUNTING HARDWARE AND GASKETS ARE INCLUDED FOR A SIMPLE INSTALLATION. NOTE: BREAKING IN AN ENGINE WITH CERAMIC-COATED HEADERS WILL RESULT IN DAMAGE TO THE COATING & WILL VOID ALL WARRANTIES. THESE HEADERS REQUIRE SEVERAL HEAT CYCLES TO FULLY CURE BEFORE THEY WILL WITHSTAND EXTREME HEAT. WE RECOMMEND USING A CAST-IRON EXHAUST MANIFOLD OR AN OLD HEADER TO BREAK IN NEW ENGINES TO AVOID COATING DAMAGE. COMPATIBLE WITH: GMC: 1988-1991 C1500 1988-1991 C2500 1988-1991 C3500 1988-1991 K1500 1988-1991 K2500 1988-1991 K3500 CHEVROLET: 1988-1991 C1500 1988-1991 C2500 1988-1991 C3500 1988-1991 K1500 1988-1991 K2500 1988-1991 K3500 1989 R2500 1989 R3500 1988 V30 1989 V3500 FEATURES: FUEL ECONOMY FROM THE ENGINE LEAK TEST FOR MAX PERFORMANCE MANDREL-FORMED POWER PLENUM LEAKPROOF O-RINGED PORT SEALS INCLUDE ALL MOUNTING HARDWARE CONSTRUCTED OF .049 COLD ROLL FLASH MILD STEEL TUBING PRECISION ENGINEERED FOR FIT, PERFORMANCE & ECONOMY SPECS: BRAND: SOUTHWEST SPEED COLLECTOR DIAMETER: 2-1/2" EMISSION CODE: 4 ENGINE: SMALL BLOCK CHEVY HEADER FINISH: CERAMIC COATED HEADER STYLE: SHORTY PRIMARY TUBE DIAMETER: 1-1/2" PRODUCT TYPE: HEADERS TUBE MATERIAL: MILD STEEL YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THESE HEADERS HERE.
