Chevrolet Transmission Adapters Collection — Speed Gems

Chevrolet Transmission Adapters

AMC101 AMC Rambler 6-Cylinder to Chevy Automatic V8 Transmission
from $1,250.00

AMC101 AMC Rambler 6-Cylinder to Chevy Automatic V8 Transmission

Speed Gems

Lead Time: This item is built to order. Estimated production time is 4–8 weeks. Customers are responsible for throttle position signal provisions....

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from $1,250.00
BPOC101 - BOP V8 BELL/BLOCK PATTERN TO CHEVY V8 AUTOMATIC TRANSMISSION
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from $199.99

BPOC101 - BOP V8 BELL/BLOCK PATTERN TO CHEVY V8 AUTOMATIC TRANSMISSION

Speed Gems

Materials Included: (1) Adapter Plate (1) Pilot Bushing(4) HCS 3/8-24 x 1-1/4(2) HCS 3/8-16 x 1-1/2(4) FHSCS 3/8-16 x 1(6) FLAT WASHER 3/8(6) LOCK ...

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from $199.99
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BU1001  Buick 364 Nailhead Heavy Duty Cast-Aluminum Stick Kit
from $1,450.00

BU1001 Buick 364 Nailhead Heavy Duty Cast-Aluminum Stick Kit

Speed Gems

*Please indicate what year your engine is in the comments when ordering.1957-63 has a 2.00" Crank I/D1964-66 has a 1.70" Crank I/D*Please indicate ...

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from $1,450.00
BU1002  Buick 401 & 425 Nailhead Heavy Duty Cast-Aluminum Stick Kit
from $1,450.00

BU1002 Buick 401 & 425 Nailhead Heavy Duty Cast-Aluminum Stick Kit

Speed Gems

*Please indicate what year your engine is in the comments when ordering.1957-63 has a 2.00" Crank I/D1964-66 has a 1.70" Crank I/D*Please indicate ...

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from $1,450.00
BU101  Buick Straight-8  233/248/263 w/ orig. Manual Transmission to Chevy V8 Automatic
from $1,250.00

BU101 Buick Straight-8 233/248/263 w/ orig. Manual Transmission to Chevy V8 Automatic

Speed Gems

Note: When replacing your transmission with a more modern unit, a modern axle may be required that does not utilize a torque tube.  Materials Incl...

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from $1,250.00
BU201  Buick Straight-8  248/263 w/ orig. Dynaflow to Chevy V8 Automatic Transmission
from $1,250.00

BU201 Buick Straight-8 248/263 w/ orig. Dynaflow to Chevy V8 Automatic Transmission

Speed Gems

Note: When replacing your transmission with a more modern unit, a modern axle may be required that does not utilize a torque tube. Materials Includ...

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from $1,250.00
BU301 Buick Straight-8  320 w/ orig. Manual Transmission to Chevy V8 Automatic
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from $1,250.00

BU301 Buick Straight-8 320 w/ orig. Manual Transmission to Chevy V8 Automatic

Speed Gems

Call for more info 763-767-4480Note: When replacing your transmission with a more modern unit, a modern axle may be required that does not utilize ...

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from $1,250.00
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BU401  Buick Straight-8  320 w/ orig. Dynaflow (w/ 3.625" crank flange) to Chevy V8 Automatic
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from $1,250.00

BU401 Buick Straight-8 320 w/ orig. Dynaflow (w/ 3.625" crank flange) to Chevy V8 Automatic

Speed Gems

Call for more info 763-767-4480Note: When replacing your transmission with a more modern unit, a modern axle may be required that does not utilize ...

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from $1,250.00
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Buick 264/322 Nailhead
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from $1,150.00

BU501 1953-1956 Buick 264/322 Nailhead to Chevy Automatic V8 Transmission

Speed Gems

** CALL FOR LEAD TIME DETAILS** Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter 1953-56 Buick 264/322 Nailhead to ...

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from $1,150.00
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BU601 1957-1963 Buick 364 Nailhead (w/ 2.90” crank flange) to Chevy Automatic Transmission
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from $1,150.00

BU601 1957-1963 Buick 364 Nailhead (w/ 2.90” crank flange) to Chevy Automatic Transmission

Speed Gems

Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter-Inner(1) Crank Adapter-Outer(1) Torque Converter Drive Plate(1) Fl...

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from $1,150.00
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BU602 1957-1963 Buick 401/425 Nailhead (w/ 2.90" crank flange) to Chevy Automatic Transmission
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from $1,150.00

BU602 1957-1963 Buick 401/425 Nailhead (w/ 2.90" crank flange) to Chevy Automatic Transmission

Speed Gems

Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter-Inner(1) Crank Adapter-Outer(1) Torque Converter Drive Plate(1) Fl...

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from $1,150.00
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BU701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic V8 Transmission W/ Large Hole Flexplate
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from $925.00

BU701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic V8 Transmission W/ Large Hole Flexplate

Speed Gems

Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter-1964-66 Buick 401/425 Nailhead to Chevy Auto.(1) Torque Converter ...

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from $925.00
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BU702 1964-1966 Buick 401/425 Nailhead to Chevy Automatic V8 Transmission (w/ small-hole Flexplate)
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from $1,075.00

BU702 1964-1966 Buick 401/425 Nailhead to Chevy Automatic V8 Transmission (w/ small-hole Flexplate)

Speed Gems

Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter-1964-66 Buick 401/425 Nailhead to Chevy Auto.(1) Torque Converter ...

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from $1,075.00
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CA101 1954–1963 Cadillac 365/390 or Flat-Back 331 to Chevy Automatic Transmission Adapter Kit
from $1,150.00

CA101 1954-63 CADILLAC 365/390 OR “FLAT-BACK” BLOCK STYLE 331 TO CHEVY AUTOMATIC V8 TRANSMISSION

Speed Gems

Materials Included:  (1) Adapter Plate - 1954 & up Cadillac to Chevy Automatic(1) Crank Adapter(1) High Torque mini-Starter(2) HCS 3/8-16 x 3-3...

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from $1,150.00
CA102 1954-63 CADILLAC 365/390 OR “FLAT-BACK” BLOCK STYLE 331 TO CHEVY MANUAL TRANSMISSION
from $1,400.00

CA102 1954-63 CADILLAC 365/390 OR “FLAT-BACK” BLOCK STYLE 331 TO CHEVY MANUAL TRANSMISSION

Speed Gems

*This kit includes everything you will need to mate your 365 or 390 to a manual transmission. There is no need to buy additional parts when you ord...

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from $1,400.00
OL301 1949-1956 Oldsmobile 303/324
from $1,650.00

CA401 1949-54 CADILLAC 331 W/ “EXTENDED BELLHOUSING” BLOCK STYLE TO CHEVY AUTOMATIC V8 TRANSMISSION

Speed Gems

;Materials Included: (1) Adapter Plate - Olds/Cadillac 1949-1964 to Chevy(1) Crank Adapter - Olds/Cadillac 1949-1964 to Chevy(1) Torque Converter D...

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from $1,650.00
CA501 1949-54 CADILLAC 331 W/ “EXTENDED BELLHOUSING” BLOCK STYLE TO CHEVY MANUAL TRANSMISSION
from $1,650.00

CA501 1949-54 CADILLAC 331 W/ “EXTENDED BELLHOUSING” BLOCK STYLE TO CHEVY MANUAL TRANSMISSION

Speed Gems

Materials Included: (1) Bell Housing - 1949 Old/Cad to Chevy Manual(1) Flywheel(1) Starter(1) Starter Block - Multiple Olds/Cadillac applications(1...

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from $1,650.00
CA601 CADILLAC 429 W/ ENGINE BLOCK MOUNTED STARTER TO CHEVY V8 AUTOMATIC TRANSMISSION
from $750.00

CA601 CADILLAC 429 W/ ENGINE BLOCK MOUNTED STARTER TO CHEVY V8 AUTOMATIC TRANSMISSION

Speed Gems

Materials Included: ***IF YOU HAVE A 1964 ENGINE W/ A BELLHOUSING MOUNTED STARTER, EMAIL US FOR DETAILS BEFORE PURCHASING OR CONTINUING*** (1) Adap...

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from $750.00
 CH301 Chevy Stovebolt 216/235/261 to Chevy V8 automatic transmission adapter kit — adapter plate, flexplate, starter, and hardware
from $995.00

CH301 CHEVY STOVEBOLT STRAIGHT-6 (216/235/261) TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Call us for order details +1(763) 767-4480 Materials Included:  (1) ADAPTER PLATE, CHEVY IN-6 TO CHEVY V8 Automatic Transmission(2) SHCS, ¼-28 X 1...

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from $995.00
CH501 1955-1956 Chevy V8 to late model transmission starter plate kit installed — flexplate, starter, and bellhousing
$225.00

CH501 STARTER PLATE KIT FOR 1955-56 CHEVY V8 TO LATE MODEL TRANSMISSION

Speed Gems

Materials Included:  (1) Adapter Plate  (1) Hardware Kit Please Note: WILL ALSO WORK IN LATE MODEL APPLICATIONS WHERE THE STARTER MOUNTING THREADS...

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$225.00
DO101 Dodge Hemi with NAG1 to Chevy automatic transmission adapter kit — adapter plate and hardware
from $1,375.00

DO101 Dodge Hemi w/ NAG1 to Chevy Automatic V8 Transmission

Speed Gems

*This Kit allows for using the original factory starter in the stock location, while retaining the factory flexplate, and doesn't require any block...

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from $1,375.00
Dodge Hemi Hellcat 6.2L and 6.4L supercharged V8 engine — compatible with DO103 Chevy 4L80E transmission adapter kit
from $1,375.00

DO103 Designed Specifically for the Dodge Hemi Hellcat 6.2L & 6.4L to Chevy 4L80E/Automatic Transmission

Speed Gems

*This Kit allows for using the original factory starter in the stock location, while retaining the factory flexplate, and doesn't require any block...

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from $1,375.00
EC101  ECOTEC Naturally Aspirated (i.e. Olds Alero) to Chevy Automatic V8 Transmission (700R4/TH350/TH400)
from $1,250.00

EC101 ECOTEC Naturally Aspirated (i.e. Olds Alero) to Chevy Automatic V8 Transmission (700R4/TH350/TH400)

Speed Gems

Materials Included: (1) Adapter Plate - ECOTEC to Chevy(1) Crank Adapter(1) Torque Converter Drive Plate(2) SHCS M12-1.75 x 35(4) SHCS M12-1.75 x 5...

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from $1,250.00
EC102  ECOTEC Supercharged or Turbo to Chevy Automatic V8 Transmission (700R4/TH350/TH400)
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from $1,350.00

EC102 ECOTEC Supercharged or Turbo to Chevy Automatic V8 Transmission (700R4/TH350/TH400)

Speed Gems

Materials Included: (1) Adapter Plate - ECOTEC to Chevy(1) Crank Adapter-ECOTEC Turbo/Supercharged to Chevy(1) Torque Converter Drive Plate(1) Torq...

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from $1,350.00
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EC201  ECOTEC LTG and LCV (2013 & newer) to Chevy Automatic Transmission
from $1,450.00

EC201 ECOTEC LTG and LCV (2013 & newer) to Chevy Automatic Transmission

Speed Gems

*CALL TO ORDER* Speed Gems806H S. Division St., Waunakee, WI 53597PHONE: (763) 767-4480EMAIL:  sales@transmissionadapters.com *This Kit is designe...

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from $1,450.00
FO501 FORD 8BA FLATHEAD
from $1,200.00

FO1001 FORD Y-BLOCK 239/252/272/292/312 TO CHVEY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter plate - Ford 239 Y block to Chevy(1) Crank Adapter - Ford 239 Y block to Chevy automatic transmission(1) Top steel ...

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from $1,200.00
FO1101 FORD MODEL A/B TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
from $1,650.00

FO1101 FORD MODEL A/B TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Lead Time: This item is built to order. Estimated production time is 4–8 weeks. Materials Included:  (1) Adapter plate - Ford Model A to Chevy aut...

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from $1,650.00
FO1501 FORD 2300 4-CYL TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
from $1,100.00

FO1501 FORD 2300 4-CYL TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter plate - Ford 2300 4 cyl to Chevy V8 (1) Crank Adapter - Ford 2300 4 Cyl to Chevy V8 style automatic transmission(1)...

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from $1,100.00
FO2301 FORD 223 6-CYL TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
from $1,250.00

FO2301 FORD 223 6-CYL TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,250.00
FO2401 FORD 2015-2017 2.0L/2.3L ECOBOOST TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
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from $1,550.00

FO2401 FORD 2015-2017 2.0L/2.3L ECOBOOST TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,550.00
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FO401 FORD FE 352/360/390/406/427
from $1,350.00

FO401 FORD FE 352/360/390/406/427 TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter Plate – Ford FE to Chevy(1) Crank Adapter – Ford FE to Chevy(1) Flexplate(1) High-torque mini-Starter(4) SHCS 7/16-...

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from $1,350.00
FO401 FORD FE 352/360/390/406/427
from $1,250.00

FO402 FORD/MERCURY FE 410/428 TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter Plate – Ford FE to Chevy(1) Crank Adapter – Ford FE to Chevy(1) Flexplate(1) High-torque mini-Starter(4) SHCS 7/16-...

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from $1,250.00
FO501 FORD 8BA FLATHEAD
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from $1,200.00

FO501 FORD 8BA FLATHEAD (1949-1953) TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included:  (1) Adapter Plate – 1949-1953 Ford Flat-head to Chevy Auto.(1) Crank Adapter – 1949-1953 Ford Flat-head to Chevy Auto.(1) Flex...

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from $1,200.00
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FO601 FORD 429/460 TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
from $1,350.00

FO601 FORD 429/460 TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter plate - Ford to Chevy auto(1) Block Plate - Ford 429/460 to Chevy auto(1) Starter, Short Gear, .500" (1) Torque con...

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from $1,350.00
GM101 GMC STRAIGHT-6 (1939-62) TO CHEVY V8 AUTOMATIC TRANSMISSION
from $1,100.00

GM101 GMC STRAIGHT-6 (1939-62) TO CHEVY V8 AUTOMATIC TRANSMISSION

Speed Gems

Please specify the year and displacement of your engine, and whether the crankshaft bolts are 7/16” or ½”. We will need this information to get you...

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from $1,100.00
GM201 GMC 305/351/379 V6 TO CHEVY V8 AUTOMATIC TRANSMISSION
from $1,450.00

GM201 GMC 305/351/379 V6 TO CHEVY V8 AUTOMATIC TRANSMISSION

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,450.00
GM301 GMC 702 V12 TO CHEVY V8 AUTOMATIC TRANSMISSION
from $1,650.00

GM301 GMC 702 V12 TO CHEVY V8 AUTOMATIC TRANSMISSION

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 we...

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from $1,650.00
GM401  GM 3800 Series V6 Engine to Chevy Automatic V8 Transmission
from $925.00

GM401 GM 3800 Series V6 Engine to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $925.00
HU101 Hudson 262/308 to Chevy automatic transmission adapter kit — flexplate, adapter plate, starter, and hardware
from $1,250.00

HU101 1954 and Older Hudson 262/308 to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,250.00
HU102 Hudson 308 to Chevy automatic transmission adapter kit — flexplate, adapter plate, starter, and hardware
$1,250.00

HU102 1955 and newer Hudson 308 to Chevy Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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$1,250.00
KW101 1947-1962 Kaiser Willys 226 flathead to Chevy automatic transmission adapter kit — flexplate, adapter plate, starter, and hardware
from $1,350.00

KW101 1947-1962 Kaiser Willys 226 Flathead to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,350.00
LI101  1949-1951 Lincoln Flathead 337 to Chevy Automatic V8 Transmission
from $1,450.00

LI101 1949-1951 Lincoln Flathead 337 to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,450.00
LI201 1952-1957 LINCOLN / MERCURY OHV V8 TO CHEVY AUTO V8 TRANSMISSION
from $1,450.00

LI201 1952-1957 LINCOLN / MERCURY OHV V8 TO CHEVY AUTO V8 TRANSMISSION

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,450.00
FO401 FORD FE 352/360/390/406/427
from $1,450.00

LI401 1958-1960 Edsel / Lincoln / Mercury 430 to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,450.00
LI601  1961-1965 Lincoln 430 & 1966-1968 Lincoln 462 to Chevy Automatic V8 Transmission
from $1,450.00

LI601 1961-1965 Lincoln 430 & 1966-1968 Lincoln 462 to Chevy Automatic V8 Transmission

Speed Gems

We’re proud to continue offering these specialized kits, though availability may occasionally be limited due to lower demand.  Please allow 4–8 wee...

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from $1,450.00
ME101 Mercedes OM616/OM617 5-cylinder diesel to Chevy automatic transmission adapter kit — flexplate, adapter plate, starter, and hardware
from $1,150.00

ME101 Mercedes OM616 & OM617 5-cylinder Diesel Engine to Chevy Automatic V8 Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Mercedes 5 cylinder diesel to Chevy(1) Crank Adapter - Mercedes 5 cyl diesel to Chevy 350/400(1) Flexplate...

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from $1,150.00
ME201  Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine to Chevy Automatic V8 Transmission
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from $1,250.00

ME201 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine to Chevy Automatic V8 Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Mercedes 5 and 6 cyl diesel engines '87 and newer to chev auto(1) Torque converter spacer - Mercedes 5 and...

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from $1,250.00
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ME202  Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/15-degree) to Chevy Automatic V8 Transmission
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from $1,250.00

ME202 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/15-degree) to Chevy Automatic V8 Transmission

Speed Gems

15 degree offset it to angle the engine more than from the factory for tighter packaging in shorter engine bays. Materials Included:  (1) Adapter p...

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from $1,250.00
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