Here's what I found in a quick search from Moparts in 2010:
PART NUMBER: 69X004 ENGINE TYPE: HYDRAULIC SPECIAL
GRINDNO: HP-264-2
ENGINE IDENT: 1964-UP PLYMOUTH-DODGE-CHRYSLER "LA" V-8
273-340-360 & 67-UP 318 CU.IN.
VALVE SETTING: INTAKE .000 EXHAUST .000 HOT
INTAKE @ CAM
2717 @ VALVE
408 ROCKER ARM RATIO
INTAKE @ CAM
2867 @ VALVE
430 1.5 ROCKER ARM RATIO
LIFT: EXHAUST @ CAM @ VALVE
ALL LIFTS ARE BASED ON ZERO LASH AND THEORETICAL ROCKER RATIOS
CAM TIMING
OPENS
CLOSES
ADVERTISED DURATION
.0056 EXHAUST INTAKE 21 BTDC 63 ABDC 264 � �
TAPPET LIFT EXHAUST
70 BBDC 24 ATDC 274 �
SPRING REQUIREMENTS
RECOMMENDED RPM RANGE
WITH MATCHING
TRIPLE DUAL OUTER INNER COMPONENTS
PART NUMBER
99835 MINIMUM RPM 1600
LOADS: CLOSED:
95 LBS @ 1.625 OR 1 5/8 MAXIMUM RPM 3800
OPEN:
286 LBS @ 1.185 VALVE FLOAT 5800
CAM TIMING
OPENS
CLOSES
MAX LIFT
DURATION
@ .050 INTAKE
(7)ATDC 27 ABDC 107 � ATDC 200 �
TAPPET LIFT EXHAUST
42 BBDC (12)BTDC 117 � BTDC 210 �