by Dr. Radut

Rocker Arms

Stock:
In = 1.57
Ex =1.52
Jesel

1.75 Intake 7/16 Adj.
AJPE 5,6,7 / MBE
IRA-F160259TF50 1.50
IRA-F160259TF60 1.60
IRA-F160259TF65 1.65
IRA-F160259TF70 1.70
JFR
SP0004-75 1.75- internal adj. oiling

1.60 Exhaust 7/16 Adj.
AJPE 5,6,7 / MBE
ERA-240230FPO60

1.60 Exhaust 12 mm Adj.
JFR
F M12

Large Pin

Small Pin
Stage5

Stage5. 1.7 ratio, 3/8″ adjuster , oil feed for side of adjuster
3/8 adjusters 1.6 is .135 1.7 is .185
7/16 adjusters 1.6 is .105 1.7 is.155
standard oiling-(right) , or PSI style oiling-(left),thru the adjuster straight into the cup		 Stage-V-RATIO.pdf

Stage5. 1.7 ratio, 7/16″ adjuster

One complete turn down on a 7/16 by 20 adjuster nut will move .050″.
quarter-turn of the adjuster nut (.050″ / 4 = .0125″).
Cluff (fuel) exhaust rocker arms and Stage 5 intakes
Minor-bros aluminum Billet

Minor-bros aluminum Billet Rocker arms,
Note: on Veney (fat head) Stands
BAE

BAE exhaust steel single rib

BAE – original Fat Head
Alum

BAE – double rib

Intake

Exhaust

BAE – with separate shafts

Ray Barton Roller Rocker System

Fat head with Reid Exhaust – note collars holding intakes instead of springs

Stock – arms,stands,shafts (polished intakes)