408 LS Long Block - Street/Strip Series LT Head Studs one-piece - hardened

one-piece - hardened

MLS Head Gaskets

High Horsepower

1x 1D per Gear Table

dramatically reducing engine bay temperatures

408 LS Long Block - Street/Strip Series LT Head Studs one-piece - hardenedOur Street Strip Series 408 long block has all the ingredients to pack the punch your looking for. The popular, 408 LS combo is a proven performer and is a solid foundation for your ride. Plan to clear 600HP NA with the right cam and intake selection! This package is still dependable at the 1000HP mark if you want to put a little extra squeeze on it with your choice of power adder Build Specs: GM Iron 6. 0 Block Forged 4 Stroke Crank Forged 6. 125 H