3/8" Rocker Arm Locking Adjuster Nuts SBI 184-1038 Set Of 16 Fits SBC & Others

3/8" Rocker Arm Lock Nut Set (16) sb Chevy 400 350 327 307 305 283 267 265 262

Dorman 3/8 x 24 self locking rocker arm nut 693-003 x10

Elgin Engine Rocker Arm Nut RM-8828S; Low Profile 3/8-24 Poly Lock, 16pcs

Dorman 3/8 x 24 self locking rocker arm nut 635-003 x17

Elgin RDS-2920 16 Chevy SBC 3/8-24 x 7/16-14 Rocker Arm Studs 2.325in Hex Nut

CRANE CAMS ROCKER ARM NUTS 3/8 #99770-16

Rocker Arm Nuts Chevy 350 400 Buick Ford Oldsmobile Pontiac Set of 16 3/8" 24