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 396 (6.5L) V8 Mark IV Big Block Engine
1970-1972 402 (6.6L) V8 Mark IV Big Block Engine
1966-1969 427 (7.0L) V8 Mark IV Big Block Engine
1970-1990 454 (7.4L) V8 Mark IV Big Block Engine
1991-1995 454 (7.4L) V8 Generation V Big Block Engine
1996-2000 454 (7.4L) V8 Generation VI Big Block Engine