These use a single groove lock, as shown in the picture. We are the Big Block Mopar parts experts.
NEW 2.188 x 11/32 x SQ x 5.300 x 220 tip D STAINLESS VALVES 409 CHEVY 042419-1
FERREA 5000 Stainless INTAKE Valves/8 Ford SB 289 5.0L 302 351W 2.02 head,5.03
FERREA 6000 Stainless Exhaust Valves/8 for Chevy LS1 LS2 LS3 L92 1.60 head,4.915
FERREA 5000 Stainless Intake Valves/8 Chevy SB 327 350 400 2.05 head,5.01 +.100
Chevy GM L92 FERREA Stainless Exhaust Valves 1.60 TULIP
FERREA 5000 Stainless Intake Valves/8 Chevy SB 327 350 400 2.08 head,5.01 +.100
