Ph: 403-999-6487

HEMI Technical Info

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)