1000Hp 408C.I. Short Block (Gen 4)

Street/Strip 408 Gen 4 58X! On the shelf and ready to ship as short block or as you need! Contact us if you’d like to turn this into a long block! Our Street-Strip Series 408 Short 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 BTR Forged 4" Stroke Crank ARP Main Studs Forged H-Beam Rods with ARP 2000 bolts Mahle Powerpak 2618 Forged Pistons - flat top with 5.8cc valve relief ACL Main & Rod Bearings Durabond Cam Bearings New block plug kit and barbell