Exhaust Manifold Casting #3914613 L-4-7 Pass. 1968 427 425 H.P. $350.00 3856306 F-23-5 1965 Pass. 396 325 H.P. $300.00 3892307 L-10-5 Pass 427 390 H.P. Also Fit 396 325 H.P. $250.00 3884503-4 I-13-5 1966 Pass. 396 325 H.P. 427 390 H.P. $250.00. Also New in Box, Big Block Stock Rocker Arm Assemblies.Rocker Arm, Slotted Pivot Balls, Lock Nuts. These are New Condition, on Shelf last 30 Years. Old Elgin # RK-507 U.S.A. $100.00 Call Alfred 540 890-8388