FFT Special Application inserts are made to match exact geometry of various applications such as head bolt and main bearing bolt holes for engine blocks. Many have counter-bores at the top of the inserts or are made to a specific length.

Internal Thread Size

A

B

C

Drill Size

Drill P/N

Tap P/N

Install Tool P/N

Starter Kit P/N

Application

7/16-14

0.595

1.655

0.800

33/64"

FT4DB-1

FT4FT-1

FP471614K

FFT4SP001K

GM Small block M B

7/16-14

0.595

1.053

0.225

33/64"

FT4DB-1

FT4FT-1

FP471614K

FFT4SP003K

GM Small block M B

1/2-13

0.735

1.000

0.000

21/32"

FT5DB-1

FT5FT-1

FP51213K

FFT5SP009K

Chrysler 318-340 HB

1/2-13

0.735

1.540

0.375

21/32"

FT5DB-1

FT5FT-1

FP51213K

FFT5SP004K

6.9 & 7.3 Int. MB

1/2-13

0.735

1.438

0.250

21/32"

FT5DB-1

FT5FT-1

FP51213K

FFT5SP006K

Cat 3208 HB

9/16-18

0.735

2.375

0.375

21/32"

FT5DB-1

FT5FT-1

FP591618K

FFT5SP002K

DD 71&92 crankshaft

9/16-12

0.860

2.550

0.775

51/64"

FT6DB-1

FT6FT-1

FP691612K

FFT6SP004K

DD 53 series MB

5/8-18

0.860

2.125

0.625

51/64"

FT6DB-1

FT6FT-1

FP65818K

FFT6SP001K

KT Cummins crankshaft

7/8-14

1.220

3.875

1.437

1-9/64"

FT9DB-1

FT9FT-1

FP97814K

FFT9SP002K

Cat 3508-16 M B

7/8-14

1.220

3.250

0.900

1-9/64"

FT9DB-1

FT9FT-1

FP97814K

FFT9SP003K

Cat 3400 MB

1-1/4-12

1.610

1.250

0.000

1-33/64"

FT12DB-1

FT12FT-1

FP1211412K

FFT12SP01K

Internal Thread Size

A (mm)

B (mm)

C (mm)

Drill Size

Drill P/N

Tap P/N

Install Tool P/N

Starter Kit P/N

Application

10mm x 1.50

15.11

35.56

8.20

33/64"

FT4DB-1

FT4FT-1

FP410150K

FFT4SP004K

GM 6.2-6.5 MB

10mm x 1.50

15.11

40.01

12.70

33/64"

FT4DB-1

FT4FT-1

FP410150K

FFT4SP005K

GM starter motor BH

12mm x 1.75

18.67

40.64

6.35

21/32"

FT5DB-1

FT5FT-1

FP512175K

FFT5SP003K

7.3 Int. Powerstroke MB

12mm x 1.75

18.67

28.58

8.18

21/32"

FT5DB-1

FT5FT-1

FP512175K

FFT5SP001K

GM 6.2-6.5 MB

12mm x 1.75

18.67

52.07

19.05

21/32"

FT5DB-1

FT5FT-1

FP512175K

FFT5SP005K

7.3 Int. DI inner MB

12mm x 1.75

21.84

25.40

6.35

51/64"

FT6DB-1

FT6FT-1

FP612175K

FFT6SP002K

6.5 GM HB

14mm X 2.00

18.67

36.07

5.33

21/32"

FT5DB-1

FT5FT-1

FP514200K

FFT5SP007K

Navistar 6.0 L outer MB

14mm X 2.00

18.67

48.26

17.27

21/32"

FT5DB-1

FT5FT-1

FP514200K

FFT5SP008K

Navistar 6.0 L inner MB

24mm x 3.00

30.99

50.80

None

1-9/64"

FT9DB-1

FT9FT-1

FP924300K

FFT9SP001K

Cat 793 wheel hub BH

30mm x 3.50

37.72

49.99

None

1-25/64"

*1

FT11FT-1

FP1130350K

FFT11SP001K

Cat 797 wheel hub BH

36mm x 4.00

43.99

60.02

None

1-41/64"

*2

FT13FT-1

FP133640K

FFT13SP001K

Cat 797 wheel hub BH