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fordsideLocking Header Bolts
 
Mopar Locking Header Bolt Kits

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.

locking header bolts
STAGE 8 LOCKING HEADER BOLTS NOTE: DHH = DOUBLE HEX HEAD BOLT, INCLUDES 3/16 RECESSED ALLEN HEAD
Application
 
Part #
 
Description
4 CYLINDER       Please Call For Pricing
  2.0 Liter   4925   (8) 8mm-1.25x25mm bolts 6pt DHH
  2.4 Liter   4926   (10) 8mm-1.25x25mm bolts 6pt DHH
           
INLINE 6 & 6 CYLINDER        
  Inline 6 Cyl.   6915   (13) 5/16-24 nuts
  3.5 Liter   6928   (12) 8mm-1.25x25mm bolts 6pt DHH
  3.9 Liter   6916   (8) 5/16-18x7/8" bolts 6pt DHH
      6931   (8) 5/16-18x1" bolts 12pt
           
8 CYLINDER        
  Small Blocks 273 - 360 cu/in   8915   (12) 5/16-18x7/8" bolts 6pt DHH
  (incl. 5.2 & 5.9 Liter)   8935   (12) 5/16-18x1" bolts 12pt
      8955   (12) 5/16-18x1" bolts 12pt Stainless Steel
  4.7, 5.7, 6.1 Liter Hemi   8916   (17) 8mm-1.25x25mm bolts 6pt DHH
  Big Block 383 - 440 cu/in   8916S   (12) 3/8-16x3/4" bolts 6pt DHH
  (exc. 413 cu/in)   8916A   (12) 3/8-16x1" bolts 6pt DHH
      8936   (12) 3/8-16x1" bolts 12pt
      8956   (12) 3/8-16x1" bolts 6pt Stainless Steel DHH
  413 cu/in   8912   (16) 3/8-16x3/4" bolts 6pt DHH
      8912A   (16) 3/8-16x1" bolts 6pt DHH
      8932   (16) 3/8-16x1" bolts 12pt
      8952   (16) 3/8-16x1" bolts 6pt Stainless Steel DHH
           
10 CYLINDER        
  8.0 Liter   8909   (20) 5/16-18x7/8" bolts 6pt DHH
      8909B   (20) 5/16-18x1" bolts 12pt
2 Bolt Header Kits        
    8910A   (2) 3/8-16x1" bolts 6pt DHH
    8910B   (2) 3/8-16x1 1/4" bolts 12pt
         
ADDITIONAL LOCKING KITS:        
SMALL BLOCK MOPAR        
Header Collector (6) 3/8-16x1" bolts 6pt   8950    
Intake Manifold   8929    
Harmonic Balancer   8995    
Oil Pan   8941    
Valve Cover   8960A    
Valve Cover w/ 1" bolts   8960S    
Valve Cover w/ 1/4-20 nuts   8961    
Distributor Hold-Down   8903    
Pressure Plate   8959    
Flex Plate (exc. 426 cu/in)   8967A    
Flywheel (exc. 426 cu/in)   8967    
Automatic Transmission Pan        
  13 Bolt Pan w/ 5/16-18x1/2   8701    
  17 Bolt Pan w/ 5/16-18x1/2   8702    
         
BIG BLOCK MOPAR        
Header Collector (6) 3/8-16x1" bolts 6pt   8950    
Intake Manifold   8929    
Harmonic Balancer   8995    
Oil Pan   8941    
Valve Cover   8960B    
Distributor Hold-Down   8903    
Pressure Plate   8959    
Flywheel   8967S    
Water Pump   8974    
Automatic Transmission Pan        
  13 Bolt Pan w/ 5/16-18x1/2   8701    
  17 Bolt Pan w/ 5/16-18x1/2   8702