Several of the vendors offer 'streetrod' floor plans to replace where the riser is and make the whole thing flat rather than with the stock dip under the seat. Those kits might include support for the floor and cab since losing the riser reduces the amount of lateral reinforcement in the cab.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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