If you've got everything unhooked it should slide off! I swapped one in a buddys 01 Cobra. Look again, something must still be connected.
good luck!
2008 ZO6 Corvette
MGW Short Throw Shifter, Hallteck killer Bee II CIA, 2” Primary StainlessWorks Long tube headers and X pipe, Billy Boat Fusion Exhaust, TR6 NGK plugs, LG G7-X4 cam, bronze guides, Titanium ultra-light retainers, Ferrea Stainless Steel Exhaust Valves, LG High lift valve springs, C5-R timing chain, .040 Decked heads, COMP Cams LS rocker arm trunnion kit, McLeod RXT Street clutch, McLeod flywheel, Hawk performance ceramic pads and a S&M Motorsports Dyno Tune.