Chevrolet Big Block BBC 396-454 Engine Cylinder Head Stud Kit

100% brand new items, never used or installed. Upgraded steel engine cylinder head bolts & studs kit. Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements. Manufactured from high quality chromoly steel with a black oxide finish for superior strength and durability. Direct bolt-on fitment or factory replacement for the stock head bolts. Threads rolled after heat treatment for optimum rating of 180,000 PSI tensile strength. Upgraded head studs helps prevents blown head gaskets and overheated engines. No installation guides are included, we highly recommend seeking professional installation. Includes: 8 x Extended Studs 12 x Long Studs 4 x Medium Studs 8 x Short Studs 32 x Washers 32 x 12-Point Hex Nuts Compatible/Replacement for: 1966-1970 Chevrolet 396 (6.5L) V8 Mark IV Big Block Engine 1970-1972 Chevrolet 402 (6.6L) V8 Mark IV Big Block Engine 1966-1969 Chevrolet 427 (7.0L) V8 Mark IV Big Block Engine 1970-1990 Chevrolet 454 (7.4L) V8 Mark IV Big Block Engine 1991-1995 Chevrolet 454 (7.4L) V8 Generation V Big Block Engine 1996-2000 Chevrolet 454 (7.4L) V8 Generation VI Big Block Engine