THIS IS FOR A NEW 1955 1956 1957 CHEVROLET ENGINE SIDE MOUNTING BRACKETS KIT FOR CARS WITH A STOCK ORIGINAL FRAME. THIS KIT IS FOR MOUNTING THE ENGINE IN THE STOCK V8 LOCATION. IT WILL WORK WITH A BIG OR SMALL BLOCK ENGINE BUT IF YOU ARE PUTTING IN A BIG BLOCK, I WOULD RECOMMEND GOING WITH A 3/4" FORWARD MOUNT KIT. COMES WITH INSTRUCTIONS AND BOLT KIT. SKU# 2260