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FULL-TORQUE® - FFB Special Application Inserts
FFB Special Application Inserts
Selection Chart

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Special Application inserts match the original geometry of the bolt hole. Common applications include head bolt and main bearing bolt holes in gas and engine diesel engines |
FFB Special Inserts (Imperial – Inch)
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 |
2.450 |
0.500 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP471614K |
FFB4SP003K |
Alum small blk GM MB |
1/2-13 |
0.648 |
2.200 |
None |
37/64" |
FT4.5DB-1 |
FT4.5FT-1 |
FP4.51213K |
FFB4.5SP001K |
Ford 351 alum MB |
1/2-13 |
0.735 |
2.020 |
0.350 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFB5SP006K |
300 series JD block HB |
1/2-13 |
0.735 |
2.057 |
0.475 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFB5SP001K |
Cat 3208 HB |
1/2-13 |
0.735 |
1.330 |
None |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFB5SP010K |
Cat 3208 HB |
1/2-13 |
0.735 |
2.850 |
None |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFB5SP007K |
Cat 3500 pan rail |
9/16-12 |
0.860 |
2.150 |
0.210 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691612K |
FFB6SP005K |
Cat 3208 HB, JD 404 MB |
5/8-11 |
0.860 |
3.000 |
0.750 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFB6SP004K |
Cat 3208 HB, DD 71 HB |
5/8-11 |
0.860 |
2.900 |
0.230 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFB6SP008K |
Detroit Diesel 53 HB |
5/8-11 |
0.860 |
2.900 |
0.500 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFB6SP009K |
Detroit Diesel 53 HB |
5/8-11 |
0.860 |
2.000 |
0.400 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFB6SP001K |
Mack HB |
5/8-11 |
0.860 |
2.415 |
0.240 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFB6SP007K |
JD 619 HB |
9/16-12 |
0.860 |
2.000 |
0.210 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691612K |
FFB6SP006K |
JD HB6 HB |
11/16-12 |
0.970 |
2.500 |
0.800 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP7111612K |
FFB7SP002K |
Mack HB |
11/16-12 |
0.970 |
2.500 |
1.005 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP7111612K |
FFB7SP001K |
Mack MB |
3/4-16 |
1.970 |
3.750 |
1.940 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP73416K |
FFB7SP003K |
Cummins KT19 H B |
3/4-16 |
1.095 |
4.290 |
2.000 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83410K |
FFB8SP005K |
Cat 3400 series HB |
3/4-16 |
1.095 |
4.150 |
1.500 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83410K |
FFB8SP006K |
Cat 3400 series H B |
7/8-14 |
1.095 |
3.688 |
0.900 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP87814K |
FFB8SP002K |
Cat 3400 series M B |
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FFB Special Inserts (Metric – mm)
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 |
41.91 |
6.99 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP410150K |
FFB4SP002K |
GM 6.2-6.5 MB |
11mm x 1.50 |
15.11 |
38.10 |
None |
33/64" |
FT4DB-1 |
C4FT-1 |
None |
FFB4SP001K |
Cadillac Northstar / Honda HB |
12mm x 1.50 |
18.67 |
39.24 |
7.00 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP512150K |
FFB5SP005K |
Mazda HB |
12mm x 1.75 |
18.67 |
50.04 |
6.48 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP5121175K |
FFB5SP008K |
Cummins 5.9 HB |
12mm x 1.75 |
18.67 |
58.93 |
6.48 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP5121175K |
FFB5SP009K |
Cummins 5.9 HB Side |
14mm x 1.50 |
18.67 |
57.15 |
12.70 |
21/32" |
FT5DB-1 |
FT5FT-1 |
None |
FFB5SP002K |
Cummins L10 HB |
14mm x 2.00 |
18.67 |
65.91 |
13.34 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP514200K |
FFB5SP003K |
Cummins 8.3 HB |
16mm x 2.00 |
21.84 |
46.99 |
8.89 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP616200K |
FFB6SP003K |
Mack HB |
16mm x 2.00 |
21.84 |
76.20 |
29.21 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP616200K |
FFB6SP002K |
Mack HB |
20mm x 2.50 |
24.64 |
74.30 |
22.61 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP720250K |
FFB7SP005K |
Cat 3116 HB |
20mm x 2.50 |
27.81 |
74.30 |
22.61 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP820250K |
FFB8SP004K |
Cat 316-26 HB |
MB: Main Bearing Bolt Hole
HB: Head Bolt
JD: John Deere
All dimensions are in Imperial – Inches unless otherwise stated |
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