The adjustable rails bolt to the seat risers back by the cab mount bolts behind the riser and then to the platforms in the front corners of the riser.
The seat frame bolts to the rails.
The Bottom Cushion is held in with clips and can lift out. Some people put a hinge in the bottom to open it and more easily use the base as a storage compartment.
The Back Cushion clips to the bottom (tabs in slots) and clamps with screws to the top frame.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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