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Spark Plug Inserts
Inserts Special Plugs Spark Plug Inserts Fixtures Caterpillar Replacement Custom

 

Now approved by Ford Motor Company.
You can read further information on our Ford thread insert products here:
Ford Triton Instructions.pdf (350KB)
Ford Technical Service Bulletin.pdf (52KB)


Full-Torque®
 
     
                 
Spark Plug Thread Repair Inserts        
                 
All inserts used for cast iron cylinder heads are made of steel for proper heat transfer.        
                 
All inserts used for aluminum cylinder heads are made of aluminum and are hard anodized for proper heat transfer and thread strength.
 
Do not use steel inserts in aluminum heads.
       
       
       
                 
All kits include the tap, core drill, installlation tool, counterbore cutter, drill tube, locking pin drill bit, locking pins, tapping fluid and thread locker    
                 
Spark Plug         Thread Size Insert Diameter Insert  Length              
 Core Drill Size  Application
Kit Part Number
       
10mm x 1.00 14.5mm 17.8mm 13.1mm (33/64") Aluminum FFT410100LK        
10mm x 1.00 14.5mm 11.4mm 13.1mm (33/64") Aluminum (SHORT) FFT4S10100LK        
12mm x 1.25 16.2mm 16.4mm 14.7mm (37/64") Aluminum FFT4.512125LK        
12mm x 1.25 16.2mm 10.2mm 14.7mm (37/64") Aluminum (SHORT) FFT4.5S12125LK        
14mm x 1.25 17.8mm 17.8mm 16.3mm (41/64") Cast Iron  FFT514125K        
14mm x 1.25 17.8mm 17.8mm 16.3mm (41/64") Aluminum FFT514125LK        
14mm x 1.25  17.8mm 17.8mm 16.3mm (41/64") Deep Reach Aluminum FFT514125LDK        
14mm x 1.25  17.8mm 17.8mm 16.3mm (41/64") Deep Reach Cast Iron FFT514125DK        
14mm x 1.25 17.8mm 11.4mm 16.3mm (41/64") Cast Iron (SHORT) FFT5S14125K        
14mm x 1.25 17.8mm 11.4mm 16.3mm (41/64") Aluminum (SHORT) FFT5S14125LK        
14mm x 1.25 17.8mm 25.4mm 16.3mm (41/64") Aluminum FFT514125LAK        
14mm x 1.25 18.8mm 17.8mm 16.3mm (41/64") Aluminum Oversized FFT514125LOK        
14mm x 1.25 18.8mm 17.8mm 16.3mm (41/64") Aluminum Oversized FFT514125LDOK        
18mm X 1.5 21.7mm 10.7mm 20.3mm (51/64") Cast Iron  FFT618150K        
18mm X 1.5 21.7mm 10.7mm 20.3mm (51/64") Aluminum FFT618150LK        
7/8"-18 27.8mm 25.4mm 28.9mm (1-9/64") Cast Iron  FST8SP002K        
7/8"-18 27.8mm 27.9mm 28.9mm (1-9/64") Cast Iron  FST8SP003K        
                 
All inserts work with both tapered seat and gasket seal type spark plugs
     
          Deep Reach style      
Combination Spark Plug Thread Repair Insert Kits          
Description Part Number        
14mm x 1.25 aluminum combination kit FFT514125LCK        
14mm x 1.25  steel combination kit FFT514125SCK        
14mm x 1.25 aluminum and steel combination kit
FFT514125CK
       
                 
                 
 Spark Plug Thread Repair Insert Kits for Ford Modular and Triton Engines Part Number        
Ford Modular and Triton fully threaded style aluminum kit Type 1 FFT514125LTK        
Ford Modular and Triton deep reach style aluminum kit Type 1 FFT514125LDTK        
Ford Triton deep reach style aluminum kit for 4 valve heads Type 2 FFT514125LD4VK        
Ford Triton fully threaded style aluminum kit for 4 valve heads Type 2