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Shafts and Stands

FUEL and Stock heads

Note: blue stands are discolored from nitro in the oil
Stock max valve spring height = 1.88" - Street Hemi
  Intake Exhaust
Gold ? ?
Blue (KB) Std 2" valve gear  shafts are moved to clear 2" valve springs  Stock race Hemi ?
Black (AJPE) out additional .049"
up additional 089" from blue
Same as above
Red (AJPE) Same as above
out additional .035"
 up additional 092" from black/blue
Green (AJPE) or Dechelus (black + ) out additional .048"
up additional 098" from red
out additional .010"
up additional 0645" from red
  A (center of shaft) B C D E
2" stock/ KB blue 1.675  (2.110) 2.000 (2.4435) 2.66 1.631 1.885
Black 1.775  (2.200) 2.000 (2.4435) 2.70 1.680 1.885
Red 1.775  (2.200) 2.092 (2.5355)   1.680 1.920
DeChellis  (  +  ) 1.873  (2.298) 2.156 (2.600)   1.728 1.930
DeChellis  (  +2 )  * 1.875  (2.110) 2.200 (2.6435)      

DeChellis  * configurations ( from DeChellis)
RS+ + .198" int.   +.156" Ex.    (no cross bolt holes) Thick Exhaust support
Requires longer valves 
RS-2 +.200” IN/EX TALL shaft location, (no cross bolt holes) Thick Exhaust support
Requires --> 5.70" Intake and 5.12 Exhaust valves and  + .100" Locks
RS-4 +.100” IN/EX TALL shaft location, (no cross bolt holes)
RS-5 +.100” IN/EX TALL shaft location, (3/8” bolt holes)
RS-6 +.100” IN/+0 EX TALL shaft location, (no cross bolt holes)
RS-8 factory shaft location, (no cross bolt holes)
RS-9 factory shaft location, (3/8” bolt holes)
AJPE version of colored stands


extra exhaust feet for Fuel AJPE on left       DeChaellis -->

extra exhaust feet for Fuel AJPE on left      Heads may be machined for 3,4,or 5 feet and 3/5 or 7/16 studs or 3/8 to 7/16 stepped studs  ----  NOTE -- DeChaellis exhaust have no holes (bolt holes or pins) on the stands or shafts to prevent cracked or broken shafts.
FAT Heads  BAE
Red Standard (low) Ratio
Blue Standard (low) Ratio / Heavy Duty
Aluminum High Ratio / Heavy Duty
Black High Ratio
Manton (alum)  

BAE - Individual shafts

FAT Heads  Venny

Early stands looked like Fuel stands but did not interchange
later were separate (intake and exhaust) several different offsets

Red or aluminum ( not anodized )


Ray Barton Roller Rocker System
FUEL or Fat head -  Shaft oil plugs

P - press in ( held in with shaft bolt ), S - screw in ( Veney ) , stock is a frost plug style ( can fall out )