+3 SEAL KIT-HEATER BOX-4 PIECES-56-62 (#E3821) 01786 $33.60 In stock Quantity: 1 Add to Bag Product Details 1956-1962 C1 CORVETTE HEATER CORE BOX GASKET & SEAL KIT - 4 PIECES. FULL SET OF REPLACEMENT SEALS. FITS: 1956, 1957, 1958, 1959, 1960, 1961, 1962 C1 CORVETTES. Save this product for later Favorite