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Heavy Duty Flywheels and Flexplates
For Chevrolet...TCI®
flywheels are .035" thicker than stock and the starter ring is
welded to both sides of the flywheel for additional strength.
Constructed from a high tensile strength material these flywheels resist
elongation and cracking. All 168 tooth flywheels have dual GM bolt
patterns and are sized for stock 3/8"
mounting bolts and can be easily drilled for 7/16" diameter high performance torque converter applications. SFI 29.1
approved.
For Pontiac...this
aftermarket flywheel is .140" thick and built to handle even
the toughest application. SFI 29.1 approved. Constructed from A514
material and neutral balanced. 166 tooth starter ring.
For Chrysler...we
offer stock replacement heavy duty flexplates for all the popular styles
of Chrysler flexplates as well as special counter balanced flexplates
which allow you to use a neutral balance torque converter in cast crank
applications that came with a counter balanced torque converter. In
addition we offer a complete line of SFI 29.1 approved flywheels for use
in Chrysler to GM adapter applications.
For Ford...we offer OEM-style small block Ford flexplates that are constructed to exacting standards and
are SFI 29.1 approved. Built extra-thick with welds on both sides of the
ring gear. These flexplates are precision balanced and checked for
runout.
We also have a complete line of .140" thick Ford flywheels with both GM
and Ford bolt pattern. Constructed from A514 material these SFI 29.1
approved flywheels work with all Ford engine to Chevy GM TCI® adapter kits and are suitable for
Ford seven, eight, nine, and ten inch Competition converters also.
Due
to the flat design as opposed to the dished construction of stock Ford
flywheels, these flywheels will not work with stock replacement torque
converters.
Engine Make |
SFI 29.1
Approved |
Trans Type |
Engine Size |
Balance |
Remarks |
Part No. |
| Chevy |
Y |
GM |
ALL |
internal |
dual bolt pattern, 168 tooth |
399273
 |
| Chevy |
Y |
GM |
400 |
external |
dual bolt pattern, 168 tooth |
399373
|
| Chevy |
Y |
GM |
454 |
external |
dual bolt pattern, 168 tooth |
399473
|
| Chevy |
Y |
GM |
454 |
external |
small bolt pattern, 153 tooth |
399554
|
| Chevy |
Y |
GM |
LT1 |
external |
small bolt pattern, 153 tooth |
399173
|
| Chevy |
Y |
GM |
LT1 |
internal |
small bolt pattern, 153 tooth |
399174
|
| Chevy |
Y |
GM |
ALL |
internal |
small bolt pattern, 153 tooth |
399573
|
| Chevy |
Y |
GM |
4.8, 5.3, 5.7, 6.0 LS-series |
internal |
small bolt pattern, 168 tooth |
3997532
|
| Chevy |
Y |
GM |
'86-99 (1 pc. rear seal) |
external |
dual bolt pattern, 168 tooth, only for one piece rear seal engines |
399773
|
| Chevy |
Y |
GM |
'91-98 (1 pc. rear seal) |
external |
dual bolt pattern, 168 tooth, only for Gen. V & Gen VI 454 HO & 502 HO with steel forged crankshafts |
399873
|
| Chevy |
Y |
GM |
'91-95 (1 pc. rear seal) |
external |
dual bolt pattern, 168 tooth, only for Gen. V 454 with cast iron crankshafts |
399973
|
| Pontiac |
Y |
GM |
326-455 |
internal |
large bolt pattern, 166 tooth, 2.750" crankshaft ID. |
399673
|
| Ford |
Y |
Ford |
289-351C 351M-400M |
0 oz. |
10.5" bolt pattern, 157 tooth |
529615
|
| Ford |
Y |
Ford |
289-351C
351M-400M |
28 oz. |
10.5" bolt pattern, 157 tooth |
529618
|
| Ford |
Y |
Ford |
289-351C
351M-400M |
50 oz. |
10.5" bolt pattern, 157 tooth |
529610
|
| Ford |
Y |
Ford |
289-351C
351M-400M |
0 oz. |
11.5" bolt pattern, 164 tooth |
529625
|
| Ford |
Y |
Ford |
289-351C
351M-400M |
28 oz. |
11.5" bolt pattern, 164 tooth |
529628
|
| Ford |
Y |
Ford |
289-351C
351M-400M |
50 oz. |
11.5" bolt pattern, 164 tooth |
529620
|
| Ford |
Y |
GM |
289-351C
351M-400M |
internal |
dual GM pattern, for racing applications only |
5296321
|
| Ford |
Y |
GM |
360-428-460 |
internal |
dual GM pattern, for racing applications only |
5297421
|
| Chrysler |
Y |
T/F 904
| '71 - '76 340 |
external |
dual bolt circle, 5/16" bolt, 6 hole cast crank |
102340
|
| Chrysler |
Y |
T/F 904 |
'71 - '92 360 |
external |
dual bolt circle, 5/16" bolt, 6 hole cast crank |
102390
|
| Chrysler |
Y |
T/F 727 |
'71 - '76 340 |
external |
dual bolt circle, 5/16" bolt, 6 hole cast crank |
102350 |
| Chrysler |
Y |
T/F 727 |
'71 - '92 360 |
external |
dual bolt circle, 5/16" bolt, 6 hole cast crank |
102360
|
| Chrysler |
Y |
T/F 727 |
'71 & up
383-440 |
external |
dual bolt circle, 5/16" bolt, 6 hole cast crank |
102370
|
| Chrysler |
Y |
All T/F |
318-440 |
internal |
small bolt circle, 7/16" bolt, 6 hole forged crank |
145200
|
| Chrysler |
N |
All T/F |
426 HEMI |
internal |
small bolt circle, 7/16" bolt, 8 hole forged crank |
145300
|
| Chrysler |
N |
All T/F |
318-440 |
internal |
small bolt circle, 5/16" bolt, 6 hole forged crank |
145600
|
| Chrysler |
N |
All T/F |
318-440 |
internal |
large bolt circle, 5/16" bolt, 6 hole forged crank |
145700
|
| Chrysler |
Y |
GM |
All |
internal |
small GM pattern, for racing applications only, 6 hole crank |
1491621
|
| Chrysler |
Y |
GM |
All |
internal |
small GM pattern, for racing applications only, 8 hole crank |
1491821
|
1
These SFI Flywheels are all neutral balance units designed for internally balanced engine applications.
Adapter Flywheels only work in conjunction with TCI adapter kits. They
cannot be used as OEM replacements.
2 Will not fit 4L80E transmissions.
Chevrolet Flywheel Shims
These shims are an easy way to achieve optimum spacing when
installing a new flywheel on Chevrolet crankshafts. These 0.030"
shims manufactured from high quality steel, are a must when additional
clearance is required between the starter and flywheel ring gear. Works
on both automatic and standard shift flywheels with standard Chevrolet
crankshaft bolt flange and flywheel.
| Description |
Part No. |
| Chevrolet Flywheel Shims |
399100 |
|
