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Home > Products > Transmissions > Transmission Adapter Kits

Transmission 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.

Features 0.5” thick 6061T-6 heat-treated aluminum plate with an SFI spec chromoly steel flexplate & mounting hardware!

Ford - SB 289 - 302 - 351C & 351W engines
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
All - Internal Balance SFI Flexplate,
164 Teeth
915231 [2] $577 915110 $284 915603 $71 915704 $233 950141 $80
All - Except '81 & up 5.0 L (302) - 28.2 oz. in. - SFI Flexplate - 164 teeth 915232 [6,3] $598 915110 $284 915603 $71 915705 $240 950141 $80
All - Internal 157 teeth 915237 [2] $570 915111 $280 915603 $71 915713 $218 950141 $80

[2] Engine must be internally balanced.
[3] 28.2 oz in weight is 4-1/4" x 3/4" x 3/8" 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
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
All - Internal Balance SFI Flexplate 915242 [2] $554 915120 $266 915612 $77 915700 $218 950160 $64
All - External Balance 24.0 oz. in. - SFI Flexplate 915243 [5,6] $567 915120 $266 915612 $77 915701 $236 950160 $64

[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 - 426 HEMI
915290 [2]
$565.00
8 Bolt Crank - Passenger Side Starter - 426 HEMI
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 Late Model HEMI - 5.7, 6.1 & 6.4 HEMI
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
NASCAR Small block to BOP - Based on OEM SB crank flange 915245 [11] $590 915145 $270 915606 $84 915664 $181 950145 $104
6.1L HEMI to ATI Mopar Super Bell, use Crank Adapter 915606M.
[11] Requires Mopar Starter, part # 05030023AA. - May require spacers - 4L60E USE: 915859 / T350 & 700R4 USE: 915860 / SUPERCASE USE: 915861


Chrysler / Dodge Viper V10
Application Adapter Plate
DODGE VIPER V10 - ALUMINUM BLOCK - ADAPTER PLATE ONLY 915148 $275



Nissan VR38DETT (converter sold seperately)
Nissan TB48
Nissan Adapter Kits
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
Nissan L24, L26 & L28 [1] 915210 $521 915170 $234 915070 $79 915460 $238 950120 $35
Nissan RB26 [1] 915222 $607 915200 $300 915100 $89 915480 $238 950250 $45
Nissan TB48 [3] 915223 $1395 915127 $262 915642 $74 915502 $235 950257 $51.50
Nissan TB48 with Lock-Up [3, 3] 915223L $1495 915127 $262 915642 $74 915502 $235 950257L $59.50
Tilton Starter for TB48 915573 $465                
Bell housing for TB48 with Lock-Up 915128 $349                
Nissan VR38 [7] 915225 $1295 915134 $299 915644 $79 915690 $349 950259 $106
Nissan VR38 with Lock-Up [8] 915225L $1395 915134 $299 915644 $79 915690 $349 950259L $117

[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
  Pad Spacers for Bolt Together Converters

Thickness
Part #
Price
.750"
.500"
.250"
451900A
451900B
451900C
$9.50 Ea
$8.50 Ea
$8.50 Ea

Requires 6 per converter




Toyota 1FZ
Toyota 2JZ-GTE (converter sold seperately)
Toyota Adapter Kits
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
Toyota 2JZ [2] 915219 $561 915181 $272 915080 $74 915471 $268 950122 $52
Toyota 5MG & 7MG [2] 915220 $543 915180 $262 915081 $50 915470 $242 950121 $54
Toyota 1FZ [5] 915224 $1495 915131 $299 915643 $79 915686 $179 950258 $81
Toyota 1FZ with Lock-Up [6] 915224L $1595 915131 $299 915643 $79 915686 $179 950258L $85
Tilton Starter for 1FZ 915574 $495                
Bell Housing for 1FZ 915132 $289                

[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.

Crank Adapters
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 429 - 460
915612
$77.00
FORD COYOTE 5.0L - GM TRANS - 8-BOLT
915607A
$72.00
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 W/SUPERCASE
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 #
Price
CHRYSLER A ENG. 318-340-360 TO CHEVY
950170
$69.00
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
TOYOTA SUPRA 2JZ-GTE 6 CYL. JZ80
950122
$52.00
 
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