This is a set of IMCO stainless steel risers, elbows for factory style or aftermarket center rise exhaust manifolds. They are in great shape. Have been on the boat working fine for several seasons. took them off Being replaced with headers. They were on a small block But should also fit factory style big block manifolds. CHECK TO MAKE SURE! ALL SALES FINAL, NO REFUNDS, NO EXCHANGES, NO RETURNS, NO WARRANTIES.. Fits 4 inch exhaust hose. worked with silent choice or could be straight out The back. Listed on imco website as mercruiser replacement riser standard Ht "SA" (sound advantage) 1316$ new. PN#02-6195.... Almost that much on ebay for someone's junk.
NO TRADES, NO CRYPTO, NO DELIVERY CASH PICK UP ONLY.