This is an NOS mounting kit for a 78/79 Corvette composite rear spring 600-109 (2.25") .
(2)height plates 634-148 , (2) rubber pads , (1) 634-130 plate , (1) 634-131 plate , (1) 634-124 heat shield , (1) top fiber spacer 2.5" W , 4.75 " L , 5/16 " T , Instruction sheet is included for install .
Note : this is the mounting kit for the spring 600-109 , this does not include the spring .
These parts are from the TRW aftermarket div in Cleveland , Oh . (circa 1990 / 1991)