Spitfire Headers

mike,, no 273 here any more,,like ELVIS it left the building

340 X block,,7.76 compression ,6% under driven,,13 pounds of boost,custom ground ultradyne solid cam, 273 adjustable rockers and shafts. 2 holly 650,s flowing 862 cfm each,, mopar 4 speed box from a 1965 formula S 3;09 first gear 4;56 rear gears 33x22 hoosiers,, 4 MPG cruise nite car,,

thanks for asking