Assembled; Chrysler Big Block 5.9L-7.2L/361-440 Cubic Inch Wedge Engine; Aluminum; 210 CC Intake Port/ 70 CC Exhaust Port; 75 CC Chamber Volume; 2.14 Inch Intake Valve/ 1.81 Inch Exhaust Valve; 1.55 Inch Spring Diameter; Set Of 2; With Guides and Seats