TIMESERT® Universal Head Bolt Thread Repair Kits

NOTE: If the hole was previously REPAIRED with Helicoil/save-a-thread style insert.
USE: BIG-SERT for oversized engine block thread repair.

NOTE: A good thread repair practice is to always verify each hole depth before drilling.
We recommend a Tap Wrench
for tapping and driver tools.

universalheadbolt

Universal head bolt kits can be used in any
application in size available. A simple tool setup is all that is required

tool setup video instruction

You must determine if the kit will be suitable
for your application. 10 inserts are included

TIME-SERT HEAD BOLT THREAD REPAIR KITS FOR FIRST TIME REPAIRS

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M10x1.5 head bolt

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M10x1.5

10155
M10x1.5×24.5mm

Optional tool p/n 41604 Alignment Plug for 3/4 holes not included. e.g mercedes M10x1.5 kompressor engines.

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M10x1.25 head bolt

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M10x1.25

10129
M10x1.25x25mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M11x1.5 head bolt

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This is the only kit approved by Toyota
for head bolt thread repair.

M11x1.5
Approved by Toyota & Scion

40101 11155

M11x1.5x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

Universal
M11x1.25 head bolt

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M11x1.25
commonly used in Subaru

40101 11127

M11x1.25x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M11x2.0

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M11x2.0

112030
M11x2.0x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

Universal
M12x1.25 head bolt

M12x1.25

12127
M12x1.25x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M12x1.5 head bolt

M12x1.5

12159
M12x1.5x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
M12x1.75 head bolt

M12x1.75

12179
M12x1.75x30mm

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

TIME-SERT Universal
7/16-14 head bolt

7/16-14

121888
7/16-14×1.180

NOTE: A good thread repair practice is to always verify each hole depth before drilling.
We recommend a Tap Wrench
for tapping and driver tools.

BIG-SERT OVERSIZED UNIVERSAL HEAD BOLT ENGINE BLOCK THREAD REPAIR
Normally used when a helicoil or coil style insert has failed.

10 inserts of a 30mm length included in M11 & M12 kits.
You must determine if the kit will be suitable for your application.

Click here for NOTES: head alignment Dowel for GM, Toyota, Honda and Subaru.

Universal head bolt kits can be used in any application in
size available. A simple tool setup is all that is required.

10 inserts included in each Universal head bolt kit
2 pcs of each size of head alignment dowel.

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M10x1.5 head bolt

M10x1.5
Double oversized

7580BS

Instructions

50155
24.5mm length

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M10x1.25 head bolt

M10x1.25
Double oversized

6250BS

Instructions

50125
24.5mm length

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M11x1.5 head bolt

amazon-smaller-button

M11x1.5
Double oversized

2200BS

Instructions

40101 J-42385-507BS

M11x1.5x30mm

40101 J-42385-508BS

Dowel

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M11x1.25 head bolt
Commonly used in Subaru head bolt when the hole was previously repaired with a helicoil failure.

M11x1.25
Double oversized

Includes only subaru dowel

11125BS

Instructions

51125

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M11x2.0 head bolt

M11x2.0
Double oversized

3700BS

Instructions

37004

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M12x1.25 head bolt

M12x1.25
Double oversized

4700BS

Instructions

52125

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M12x1.5 head bolt

M12x1.5
Double oversized

4800BS

Instructions

52155

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M12x1.25 head bolt

M12x1.25
Double oversized

4700BS

Instructions

52125

SPECIAL KITS

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal
M12x1.75 head bolt

M12x1.75
Double oversized

4900BS

Instructions

52175

BIG-SERT UNIVERSAL HEAD BOLT ADD-ON KIT
ADD-ON KITS ONLY PROVIDE THE NECESSARY TOOLING TO CONVERT TO BIG-SERT
You must have the original kit. What is Included: Drill, Tap, Bushing, line pin, Inserts and dowels.
You will use the driver, fixture plate, bolts from the original kit to finish the repair.

SPECIAL ADD-ON KIT

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal ADD- ON KIT
M11x1.5

M11x1.5
Double oversized
ADD-ON

p/n 2200BSAO
note:
you must have kit p/n 2200 tooling to finish repair.

J-42385-507BS
includes 10 inserts

SPECIAL ADD-ON KIT

SIZE

KIT P/N

INSERT P/N

BIG-SERT Universal ADD- ON KIT
M11x1.25

M11x1.25
Double oversized
ADD-ON

p/n 11125BSAO
note:
you must have kit p/n 11125 tooling to finish repair.

51125
includes 12 inserts