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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.

ATI adapter kits allows Ford and Chrysler owners 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] $607 915110 $284 915603 $72 915704 $223 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 $72 915705 $240 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 [1] $598 915120 $266 915612 $87 915700 $229 950160 $64

[1] 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
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
All internal balanced 915250 [1,6,12] $598 915130 $240 915630X
[7, 8]
$83 915650X
[1, 6, 7, 8]
$212 950170 $69

[1] Engine must be internally balanced.
[6] Some 340-383-400-440 are externally balanced. Engine must be internally balanced. Weights may be added by your engine balancer for external balance.
[7] When ordering replacement parts, be sure to specify date of original order. Parts shipped prior to 1/2007 have different dimensions and part# (non-X numbers).
[8] Requires six (6) crank bolts - ATI #951471-6 (grade 8) or OPTIONAL ATI #951034-6 (Extreme Duty).
[9] Requires eight (8) crank bolts - ATI # (grade 8) or OPTIONAL ATI #951035-8 (Extreme Duty).
[10] Requires eight (8) crank bolts - ATI #951035-8 (Extreme Duty). DO NOT use grade 8 bolts in this application! Use #915640XFB bushing.
[12] 90 day lead time - semi custom part.


Chrysler- B-RB Engines - 383 - 400 - 426 - 440 [6]
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
8 Bolt Crank - Driver Side Starter - 426 HEMI 915290 [1] $543 915150 $266 915640X
[7, 9]
$83 915660X
[1, 6, 7, 9]
$209 950190 $64
HEMI to Chevy Pro Mods using Fuel Cranks - Passenger side starter 915291X $789 915140X $406 915640XF
[10]
$132 915660X
[10]
$209 950190X $99

[1] Engine must be internally balanced.
[6] Some 340-383-400-440 are externally balanced. Engine must be internally balanced. Weights may be added by your engine balancer for external balance.
[7] When ordering replacement parts, be sure to specify date of original order. Parts shipped prior to 1/2007 have different dimensions and part# (non-X numbers).
[9] Requires eight (8) crank bolts - ATI # (grade 8) or OPTIONAL ATI #951035-8 (Extreme Duty).
[10] Requires eight (8) crank bolts - ATI #951035-8 (Extreme Duty). DO NOT use grade 8 bolts in this application! Use #915640XFB bushing.



Chrysler Late Model Gen III HEMI
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
5.7, 6.1 & 6.4 HEMI 915245 [11] $598 915145 $270 915606 $87 915664 $223 950145 $129
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
(2005–2017 Viper only)
Application Kit Adapter Plate Crank Adapter SFI Flexplate Hardware
V10 ALUMINUM BLOCK 915739 [13] $695 915148 $275 915645 $99 915666 $275 May require spacers
[13] Consult an ATI Sales Technician before placing an order for proper fitment and spacing. May require (6) spacers part #951400E...$13.95 each.



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 $83 915502 $235 950257 $51.50
Nissan TB48 with Lock-Up [3, 4] 915223L $1495 915127 $262 915642 $83 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 $71.10 915690 $349 950259 $106
Nissan VR38 with Lock-Up [8] 915225L $1395 915134 $299 915644 $71.10 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 $59
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
CHRYSLER FUEL CRANK 8-1/2" CRANK BOLTS FOR BRUNO/LENCO (.250" THICK)
915641
$134.00
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
GM TO CHRYSLER - 8-BOLT VIPER ('05-'17)
915645
$99.00
BUSHING FOR 915640 XF
915640XFB
$26.00
CHRYSLER 6.1 HEMI TO GM - MODIFIED W/SUPERCASE
915606M
$87.00
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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