force headers competition headers truck force headers footnotes 1 this system ... manifold add a 0 in front of the part number when ordering 3 factory 4 wheel ... as stock but can be matched to your particular exhaust port configuration 17 fits all ... cannot be installed by using the stock location side motor mounts this header requires ... transmission mount which fits your particular transmission 38 installation with ... transmission mount which fits your particular transmission 42 will not accommodate ... head engine only i.e intake manifold is part of the head exhaust manifold bolts to ... c-6 automatic transmissions 45 this part number consists of headers with welded ... engine swap front frame mount kit part #12678 stock transmission crossmember ... the use of hooker engine mount kit part #12679 stock transmission crossmember ...