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Home > Products > Transmissions > Adapter Kits

Adapter Kits


Over the years many types of transmissions have been utilized in medium to high horsepower bracket and class-style race cars. Although there are numerous transmissions available for racers to choose from, the GM two and three speed automatics seem to be some of the most popular transmissions in the performance transmission market. Many racers would argue that a Chevrolet Powerglide transmission, when matched with the proper rear gear, is the quickest and most consistent of all existing transmission designs.

This is great if you own a vehicle with a GM engine. The ATI adapter kit allows Ford and Chrysler owner to benefit from the GM transmissions as well. Before the ATI adapter kit, many hours of expensive fabrication were necessary to mate GM transmissions with non-GM engines. With the introduction of the ATI adapter kit you now can perform the operation in less time with less fabrication required. The ATI adapter kit includes an ATI adapter plate, an ATI crank adapter, an ATI Flexplate, and all the necessary mounting hardware to correspond with your Ford or Chrysler engine. The following paragraphs present a more in-depth description of each adapter kit component.

The ATI adapter plate is made from 0.5" thick 6061 T-6 heat-treated aluminum. The plate measures 20 inches high and 24 inches wide and may be incorporated into an engine mid-plate. The plate is not profiled in order to meet the unique clearance requirements of each vehicle.

The ATI crank adapter is fabricated from heat-treated steel and bolts to the crank to ensure exact converter and flexplate location. This adapter also accepts the OEM diameter and length GM converter pilot. Each crank adapter is designed utilizing OEM drawings and dimensions and produced on ATI's state-of-the-art CNC turning centers.

The ATI Flexplate is created from custom drawn SFI-spec chromoly steel. This unit is double MIG/TIG welded for additional strength and lasting precision pass after pass. Each ATI flexplate is manufactured and toleranced from actual OEM drawings to ensure a precise fit and location. Each plate is quality inspected to EXCEED the flatness and run-out tolerances of the OEM units and is precision balanced on Hines digital equipment with a resolution of 1/10 ounce/inch.

Ford - SB 289 - 302 - 351C & 351W engines
Part Number
Price
All - Internal Balance - SFI Flexplate - 164 Teeth
915231 [2]
$577.00
All - Except '81 & up 5.0 L (302) - 28.2 oz. in. - SFI Flexplate - 164 teeth
915232 [6][3]
$598.00
All - Internal 157 teeth
915237 [2]
$570.00
[1] Flexplate not included - OEM flexplate compatible.
[2] Engine must be internally balanced.
[3] 28.2 oz in weight is 4-1/4" x 3/4" x 3/8" thick.
[4] 50.0 oz in weight is 4-1/4" x 7/8 x 7/16" thick.
[6] All external balance flexplates must be on the crank for balancing or match-balanced to the unit that was originally balanced with the crank.


Ford - 429 - 469 engines
Part Number
Price
All - Internal Balance SFI Flexplate
915242 [2]
$554.00
All- External Balance 24.0 oz. in. - SFI Flexplate
915243 [5][6]
$567.00
[2] Engine must be internally balanced.
[5] 460 truck crank with D9TP-6375AA or E7TP-6375AA OEM weighted flexplate.
[6] All external balance flexplates must be on the crank for balancing or match-balanced to the unit that was originally balanced with the crank.


Chrysler A Engines - 318 - 340 - 360
Part Number
Price
All - Internal Balance
915250 [2] [7]
$551.00
[2] Engine must be internally balanced.
[6] All external balance flexplates must be on the crank for balancing or match-balanced to the unit that was originally balanced with the crank.
[7] Some 340 - 383 - 400 - 440 are externally balanced. Engine must be internally balanced. Flexplate #915650 is zero-balanced. Weights may be added by your engine balancer for external balance.


Chrysler B-RB Engines - 383 - 400 - 426 - 440 [6]
Part Number
Price
8 Bolt Crank - Driver Side Starter
915290 [2]
$565.00
8 Bolt Crank - Passenger Side Starter
915291 [2]
$689.00
HEMI to Chevy Pro Mods using Fuel Cranks - Passenger side starter
915291X
$789.00
[2] Engine must be internally balanced.
[6] All external balance flexplates must be on the crank for balancing or match-balanced to the unit that was originally balanced with the crank.
[7] Some 340 - 383 - 400 - 440 are externally balanced. Engine must be internally balanced. Flexplate #915650 is zero-balanced. Weights may be added by your engine balancer for external balance.

Chrysler / Dodge Viper V10
Part Number
Price
DODGE VIPER V10 - ALUMINUM BLOCK - ADAPTER PLATE ONLY
915148
$275.00

Chrysler - Dodge R5 Block
Part Number
Price
NASCAR Small block to Buick - Olds - Pontiac
915252
$555.00


Chrysler Late Model Hemi
Part Number
Price
5.7 & 6.1 HEMI
915245
$590.00
ADAPTER PLATE SPACER - 6.1 HEMI
915861
$7.50
6.1L HEMI to ATI Mopar Super Bell, use Crank Adapter 915606M.


Nissan VR38DETT (converter sold seperately)
Nissan TB48

Nissan
Part Number
Price
Nissan L24, L26 & L28
915210
$521.00
Nissan RB26 [1]
915222
$607.00
Nissan TB48 [3]
915223
$1395.00
Nissan TB48 with Lock-Up [3.4]
915223L
$1495.00
Nissan VR38 [7]
915225
$1295.00
Nissan VR38 with Lock-Up [8]
915225L
$1395.00
[1] Requires a custom 8” torque converter. If using an OEM bell, modification is required for proper starter clearance.
[3] Includes the following spacers: six (6) ATI #451900A, six (6) #451900C & 551900 pilot adapter
[4] Inlcudes bell spacer, #915129 for GM to Nissan.
[7] Includes starter spacer ATI# 915526 and adapter ring ATI #451183
[8] Includes bell spacer, ATI #915136, starter spacer ATI# 915526 & adapter ring ATI #451903


Toyota 1FZ
Toyota 2JZ-GTE (converter sold seperately)

Toyota
Part Number
Price
Toyota 5MG & 7MG [2]
915220
$543.00
Toyota 2JZ [2]
915219
$561.00
Toyota 1FZ [5]
915224
$1495.00
Toyota 1FZ with Lock-Up [6]
915224L
$1595.00
Toyota 1FZ - 139 tooth Flexplate for 915224 & 915224L - inlcuded with 915224 & 915224L
915686
$179.00
[2] Requires a custom 9” torque converter #408931
[5] Includes bell spacer, #915130A for non-lock Up Converter
[6] Includes six (6) lock up converter spacers, ATI #451900D and bell spacer ATI #915133



Crank Adapters


ATI has new crank adapters made specifically for extra thick midplates. These reinforcing crankshaft adapters bolt on behind the flexplate to extend the pilot 1/2-inch toward the transmission, eliminating extra long pilots on the converter.

Chevy
Part #
Price
7/16” CRANK BOLTS
915000
$123.87
1/2” CRANK BOLTS
915001
$123.87
SFI BB FORD BELL TO SUPERCASE
915611X
$87.00
FORD FE
915612
$77.00
GM TO CHRYSLER - 6-BOLT TO SUPERCASE
915630X
$88.00
GM TO CHRYSLER - 8-BOLT TO SUPERCASE
915640X
$83.00
GM TO CHRYSLER - 8-BOLT FLAT CRANK
915640XF
$132.00
BUSHING FOR 915640 XF
915640XFB
$26.00
CHRYSLER 6.1 HEMI TO GM - MODIFIED
915606M
$87.00
CHRYSLER FUEL CRANK 8-1/2" CRANK BOLTS FOR BRUNO/LENCO (.250" THICK)
915641
$134.00
TOYOTA 1FZ-45
915643
$79.00



Adapter Kit Hardware


Adapter Kit Hardware
Part Number
Price
FORD 289-302-351C-351W TO CHEVY, PG & TURBO SFI FLEXPLATE, 8 BOLT 130 TEETH
950141
$80.00
FORD 429-460 WITH 1.375 OR 1.848 CRANK
950160
$64.00
CHRYSLER A ENG. 318-340-360 TO CHEVY
950170
$69.00
CHRYSLER B OR RB ENGINES 383-400-426-440
950180
$53.00
CHRYSLER B OR RB ENGINES 426 HEMI TO PG & TURBO, SFI FLEXPLATE, 8 BOLT 130T
950190
$64.00
CHRYSLER B OR RB ENGINES PRO MOD
950190X
$99.00
DODGE 5.7/6.1 HEMI TO GM
950145
$104.00
DODGE R5 BLOCK
950175
$57.00
NISSAN L28
950120
$35.00
NISSAN RB26
950250
$45.00
TOYOTA 5 MG , 6 CYL.
950121
$51.00
TOYOTA SUPRA 2JZ-GTE 6 CYL. JZ80
950122
$52.00
TOYOTA 1FZ-45 - NON-LOCK-UP
950258
$81.00
TOYOTA 1FZ-45 - LOCK-UP
950258L
$85.00
 
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