Coming soon to our inventory - LS rail kits. The kit Includes a set of lightened engine plates. The front plate is designed to work with mechanical fuel pump. The rear plate is cut for a starter and matched the block very well. The plates are available in 2 different widths.  The side rails and stringer protector rails are 36" long. The 4 engine mounting pillow blocks are machined at a 5 degree angle. 8 Stringer washers. 
 
Front - 23 7/8" or 25 7/8" wide x 12" Tall
Rear 23 7/8" or 25 7/8" wide x 11.5" Tall.