FOR SALE IS A RE-USABLE COPPER EXHAUST / INTAKE MANIFOLD TO HEAD GASKET. THIS IS A HIGH QUALITY LASER CUT PURE COPPER GASKET. THIS IS A MUST FOR ANY PERFORMANCE ENGINE UPGRADES THIS WILL WORK ON ALL MOPAR 170, 198, 225 SLANT SIX ENGINES, 2.8L, 3.2L 3.7L Straight 6. THIS GASKET IS READY TO USE WITH PORTED HEADS WITH LARGER INTAKE / EXHAUST PORTS, BUT WORKS WELL WITH STOCK HEADS TOO. READY TO BE USED WITH MILLED HEADS WITH NO TRIMMING OR GRINDING REQUIRED. THIS CAN BE USED AS A PORTING TEMPLATE TO PORT YOUR INTAKE AND EXHAUST. PERFECT TO USE WITH RACING ENGINES, TURBOs, NITROUS (NOS), AND SUPERCHARGED ENGINES. THE INTAKE AND EXHAUST PORTS ARE SLIGHTLY LARGER THAN THE STOCK GASKET, SO IT IS READY TO USE WITH ANY PERFORMANCE PARTS AND WORKS WELL WITH STOCK ENGINES TOO. THIS CAN BE USED MANY TIMES OVER, NEVER BUY ANOTHER INTAKE / EXHAUST GASKET AGAIN, JUST RE-ANNEAL IT. HEAT IT ALL UP GLOWING RED AND LET IT COOL. THEN YOU CAN USE IT AGAIN. PERFECT UPGRADE FOR HEADERS, TURBO, INTAKE, CARB, OR OTHER PERFORMANCE UPGRADES ON YOUR LEANING TOWER OF POWER!! WE HAVE USED THIS OURSELVES AND LOVE IT! IT HAS BEEN ON OUR 1966 PLYMOUTH BELVEDERE I (1) FOR ALMOST 4 YEARS. WE HAVE NOT HAD ANY PROBLEMS OR ISSUES AT ALL AND PLAN TO ANNEAL IT AND REUSE IT IF THE TIME COMES TO CHANGE THE INTAKE OR HEADERS ON THE CAR. WE HAVE USED THIS WITH AN OFFENHAUSER 4-BARREL INTAKE WITH CLIFFORD HEADERS AND IT HAS ALWAYS WORKED GREAT. TALK ABOUT AN UPGRADE OVER THE STOCK 1 BARREL INTAKE AND NO HEADER EXHAUST. THIS GASKET CAN BE USED WITH STOCK PARTS JUST FINE, IT IS THE LAST GASKET YOU WILL EVERY BUY. ON SOME ENGINES IT MAY BE REQUIRED TO DREMEL OR GRIND OFF A SMALL AMOUNT IN SPOTS TO MAKE IT SLIDE RIGHT ON.