7/16" x 20 fine threads Rocker Arm Lock Nuts Set compatible with 1966-1990 Chevy bb 454 427 402 396 366.

الوصف

This listing is for a brand new set of (16) rocker arm lock nuts from Elgin Industries. Set comes with 16 nuts. They are the self locking style nut and fit 7/16" x 20 fine thread rocker studs. It will fit many of the following 1965-1990 big block Chevrolet and GMC V8 engines in passenger cars and light duty trucks with 7/16" x 20 fine threads. 366 CID (6.0L) 1966-1990 396 CID (6.5L) 1966-1970 402 CID (6.6L) 1970-1972 427 CID (7.0L) 1966-1990 454 CID (7.4L) 1973-1990