fordside
Mopar

Header:
Stage 8 Locking Header Bolts easy to use and they are real assurance against horsepower loss or gasket failure created by loose nuts or bolts. The unique patented and trademarked functional design is just three pieces: a bolt (4130 Alloy Steel), a locking retainer and a spring clip. The header bolt kits are application specific as either hex head with a 3/16 recessed allen head or 12 point, USA or metric. All Stage 8 Locking Header Bolt Kits are sold with all of the necessary hardware for your application.
STAGE 8 LOCKING HEADER BOLTS NOTE: DHH = DOUBLE HEX HEAD BOLT, INCLUDES 3/16 RECESSED ALLEN HEAD
Application
  
Part #
Pricing
Description
4 CYLINDER        
  2.0 Liter   4925 $40.79 (8) 8mm-1.25x25mm bolts 6pt DHH
  2.4 Liter   4926 $43.89 (10) 8mm-1.25x25mm bolts 6pt DHH
           
INLINE 6 & 6 CYLINDER        
  Inline 6 Cyl.   6915 $37.36 (13) 5/16-24 nuts
  3.5 Liter   6928 $54.50 (12) 8mm-1.25x25mm bolts 6pt DHH
  3.9 Liter   6916 $33.97 (8) 5/16-18x7/8" bolts 6pt DHH
      6931 $33.97 (8) 5/16-18x1" bolts 12pt
           
8 CYLINDER        
  Small Blocks 273 - 360 cu/in   8915 $58.31 (12) 5/16-18x7/8" bolts 6pt DHH
  (incl. 5.2 & 5.9 Liter)   8935 $58.31 (12) 5/16-18x1" bolts 12pt
      8955 $106.32 (12) 5/16-18x1" bolts 12pt Stainless Steel
  4.7, 5.7, 6.1 Liter Hemi   8916 $64.80 (17) 8mm-1.25x25mm bolts 6pt DHH
  Big Block 383 - 440 cu/in   8916S $58.31 (12) 3/8-16x3/4" bolts 6pt DHH
  (exc. 413 cu/in)   8916A $64.80 (12) 3/8-16x1" bolts 6pt DHH
      8936 $64.80 (12) 3/8-16x1" bolts 12pt
      8956 $106.32 (12) 3/8-16x1" bolts 6pt Stainless Steel DHH
  413 cu/in   8912 $64.80 (16) 3/8-16x3/4" bolts 6pt DHH
      8912A $71.83 (16) 3/8-16x1" bolts 6pt DHH
      8932 $64.80 (16) 3/8-16x1" bolts 12pt
      8952 $117.36 (16) 3/8-16x1" bolts 6pt Stainless Steel DHH
           
10 CYLINDER        
  8.0 Liter   8909 $79.39 (20) 5/16-18x7/8" bolts 6pt DHH
      8909B $79.39 (20) 5/16-18x1" bolts 12pt
2 Bolt Header Kits        
    8910A $10.90 (2) 3/8-16x1" bolts 6pt DHH
    8910B $10.90 (2) 3/8-16x1 1/4" bolts 12pt
         
ADDITIONAL LOCKING KITS:        
SMALL BLOCK MOPAR        
Header Collector (6) 3/8-16x1" bolts 6pt   8950 $26.99  
Intake Manifold   8929 $48.67  
Harmonic Balancer   8995 $40.08  
Oil Pan   8941 $50.63  
Valve Cover   8960A $30.10  
Valve Cover w/ 1" bolts   8960S $23.06  
Valve Cover w/ 1/4-20 nuts   8961 $20.06  
Distributor Hold-Down   8903 $ 7.17  
Pressure Plate   8959 $26.88  
Flex Plate (exc. 426 cu/in)   8967A $59.51  
Flywheel (exc. 426 cu/in)   8967 $35.66  
Automatic Transmission Pan        
  13 Bolt Pan w/ 5/16-18x1/2   8701 $33.02  
  17 Bolt Pan w/ 5/16-18x1/2   8702 $38.93  
         
BIG BLOCK MOPAR        
Header Collector (6) 3/8-16x1" bolts 6pt   8950 $26.99  
Intake Manifold   8929 $48.67  
Harmonic Balancer   8995 $40.08  
Oil Pan   8941 $50.63  
Valve Cover   8960B $40.08  
Distributor Hold-Down   8903 $ 7.17  
Pressure Plate   8959 $26.88  
Flywheel   8967S $40.08  
Water Pump   8974 $14.40  
Automatic Transmission Pan        
  13 Bolt Pan w/ 5/16-18x1/2   8701 $33.02  
  17 Bolt Pan w/ 5/16-18x1/2   8702 $38.93