Magnum replacement heads?

Wonder how long till they're available?

#4, I think are the new heads.
#2, 308s with the 2.02 intakes is the set I bought.

#1
Chrysler LA Small Block Assembled – New 318 LA and Magnum Castings Avail. (Add $200.00)
ARO-CY-SB318 1968-1987 318 A-Engine Heads, 1.88X1.60 Stainless Valves (2.02 Int. Valve Not Available) 67-70cc Open Chamber Design, .509” Lift Springs........................... 399.00

#2
ARO-CY-SB340 1968-1987 340-360 A-Engine 1.88X1.60 SS Valves, (2.02 Int. Valve add $100.00) 67-70cc Open Chamber Design, .509” Lift Springs, 160cc In. Port Volume........ 499.00

#3
ARO-CY-SB915 Head-Same Features as Above 340-360 but Utilizes Select #915 or #587 Castings with a Larger Intake Port Volume ....................................................................... 699.00

#4
ARO-CY-SB202 New LA Heads 2.02X1.60 SS Valves Hard Ex Seats 72cc Open Chamber 166cc Int Volume 59cc Ex Volume .525 Lift Springs ....................................................... 895.00

ARO-H3-144-3602 Head Bolts ARP OEM LA Heads .........