Model A rumble cushion.  Fits 1928-31 Coupes, Roadsters, and Cabriolets. Spring includes the 2 wire feet that locate the spring on the front edge of the seat riser.  

This is the seat spring assembly only.  It does not include uphosltery

Rumble backrest spring assembly.  This fits 1928-31 Coupes, Roadsters, and Cabriolets.  Spring has a tack channel base for attaching the upholstery and includes the 4 metal clips required for mounting to the deck lid.

This is the seat spring assembly only.  It does not include uphosltery

1928-29 Coupe/Cabriolet front seat spring backrest assembly.

This is the seat spring assembly only.  It does not include uphosltery or wood frames when necessary.