If you have to buy small wire concaves anyway, go aftermarket. If you go with Precision Farm Parts you won't need any filler strips. They use an extra narrow in the front and standard narrow in the rear 2.
The 974 is a good header. Can be a little tricky fine tuning the flex system. The newer fd70's are noticeably better.
The 974 is a good header. Can be a little tricky fine tuning the flex system. The newer fd70's are noticeably better.