Products

Adapter Plate Ford Modular to Chevy (AP10004)
$550.00

Adapter Plate Ford Modular to Chevy (AP10004)

Speed Gems

Adapter Plate Ford Modular to Chevy (AP10004)

$550.00
AMC Rambler 6-Cylinder to Chevy Automatic (AMC100101)
$895.00

AMC Rambler 6-Cylinder to Chevy Automatic (AMC100101)

Speed Gems

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

$895.00
BH10002 1957-1963 Buick Nailhead Bellhousing to GM 4 and 5-Speed
$345.00

BH10002 1957-1963 Buick Nailhead Bellhousing to GM 4 and 5-Speed

Speed Gems

This bellhousing that will allow you to bolt a 3, 4, or 5 speed transmission to the 1957 thru 1966 Buick Nailhead engine. Some 5 speed transmission...

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$345.00
BH10003 Oldsmobile & Cadillac Bellhousing
$345.00

BH10003 Oldsmobile & Cadillac Bellhousing

Speed Gems

This cast aluminum bellhousing fits an Olds (1949 thru 1964) or Cadillac extended bellhousing engines(1949 through 1954). These bellhousings are NO...

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$345.00
BMW V12 (M70) to Chevy Automatic
Sold out
$1,250.00

BMW V12 (M70) to Chevy Automatic

Speed Gems

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

$1,250.00
Sold out
BMW V12 (M70) to Manual Transmission
Sold out
$1,550.00

BMW V12 (M70) to Manual Transmission

Speed Gems

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

$1,550.00
Sold out
BPOC 1969-1975 to Chevy (BPOC001-01)
$95.00

BPOC 1969-1975 to Chevy (BPOC001-01)

Speed Gems

Materials Included: (1) Adapter Plate - GM Common 1969-1975 to GM Common(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-...

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$95.00
BU1000101 Buick Straight-8  233/248/263 with Manual Transmission to Chevy Automatic
from $1,095.00

BU1000101 Buick Straight-8 233/248/263 with Manual Transmission to Chevy Automatic

Buick

Materials Included: (1) Adapter Plate-Inner - Buick Straight-8 to Chevy(1) Adapter Plate-Outer - Buick Straight-8 Manual to Chevy(1) Crank Adapter ...

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from $1,095.00
BU1000201 Buick Straight-8  248-263 with Dynaflow to Chevy Automatic
from $1,095.00

BU1000201 Buick Straight-8 248-263 with Dynaflow to Chevy Automatic

Buick

Materials Included: (1) Adapter Plate-Inner - Buick Straight-8 to Chevy(1) Adapter Plate-Outer - Buick Straight-8 to Chevy(1) Crank Adapter - Buick...

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from $1,095.00
BU1000301 Buick Straight-8  320 with Standard Transmission to Chevy Automatic
from $1,095.00

BU1000301 Buick Straight-8 320 with Standard Transmission to Chevy Automatic

Buick

Materials Included: (1) Adapter Plate-Inner - Buick Straight-8 manual to Chevy Auto.(1) Adapter Plate-Outer - Buick Straight-8 manual to Chevy(1) C...

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from $1,095.00
BU1000401 Buick Straight-8  320 with Dynaflow (w/ 3.625" crank flange) to Chevy Automatic
from $1,095.00

BU1000401 Buick Straight-8 320 with Dynaflow (w/ 3.625" crank flange) to Chevy Automatic

Buick

Materials Included: (1) Adapter Plate-Inner - Buick Straight-8 manual to Chevy Auto.(1) Adapter Plate-Outer - Buick Straight-8 manual to Chevy(1) C...

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from $1,095.00
BU1000501 1953-1956 Buick 264/322 Nailhead to Chevy Automatic Transmission
from $675.00

BU1000501 1953-1956 Buick 264/322 Nailhead to Chevy Automatic Transmission

Buick

Materials Included: (1) Adapter Plate - Buick Nailhead to Chevy(1) Crank Adapter 1953-56 Buick 264/322 Nailhead to Chevy Auto.(1) Torque Converter ...

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from $675.00
BU1000601 1957-1963 Buick 364 Nailhead to Chevy Automatic Transmission (w/ 2.90” crank flange)
from $850.00

BU1000601 1957-1963 Buick 364 Nailhead to Chevy Automatic Transmission (w/ 2.90” crank flange)

Buick

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 $850.00
BU1000602 1957-1963 Buick 401 Nailhead to Chevy Automatic Transmission (w/ 2.90" crank flange)
from $850.00

BU1000602 1957-1963 Buick 401 Nailhead to Chevy Automatic Transmission (w/ 2.90" crank flange)

Buick

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 $850.00
BU1000701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission
from $675.00

BU1000701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission

Buick

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 $675.00
BU1000702 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission (w/ small-hole Flexplate)
from $850.00

BU1000702 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission (w/ small-hole Flexplate)

Buick

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 $850.00
BU1001001 Buick 303/324/364 Nailhead Heavy Duty Cast Aluminum Stick Complete Kit
$1,295.00

BU1001001 Buick 303/324/364 Nailhead Heavy Duty Cast Aluminum Stick Complete Kit

Buick

*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 indicat...

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$1,295.00
BU1001002 Buick 401/425 Nailhead Heavy Duty Stick Kit
$1,295.00

BU1001002 Buick 401/425 Nailhead Heavy Duty Stick Kit

Buick

*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 indicat...

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$1,295.00
BU1001101 Buick Flexplate and Adapter '64 and Newer Trans to '63 and Older 364 Engine
from $159.00

BU1001101 Buick Flexplate and Adapter '64 and Newer Trans to '63 and Older 364 Engine

Buick

Materials Included: (1) Buick tapered pilot bushing(1) Flexplate(1) 166W tooth ring gear(1) Balance weight for Buick 364 to Chevy auto

from $159.00
BU1001102 Buick Flexplate and Adapter '64 and Newer Trans to '63 and Older 401/425 Engine
from $159.00

BU1001102 Buick Flexplate and Adapter '64 and Newer Trans to '63 and Older 401/425 Engine

Buick

Materials Included: (1) Buick tapered pilot bushing(1) Flexplate(1) 166W tooth ring gear(1) Balance weight for Buick 401/425 to Chevy auto

from $159.00
CA1000101 1954 and up Cadillac 365/390 to Chevy Automatic
from $895.00

CA1000101 1954 and up Cadillac 365/390 to Chevy Automatic

Cadillac

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 $895.00
CA1000102 1954 and up Cadillac 365/390 to Chevy Manual
from $1,095.00

CA1000102 1954 and up Cadillac 365/390 to Chevy Manual

Cadillac

*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 $1,095.00
CA1000201 1942-1948 Cadillac 346 Flathead w/Hydra-matic to Chevy Automatic
from $1,125.00

CA1000201 1942-1948 Cadillac 346 Flathead w/Hydra-matic to Chevy Automatic

Cadillac

*This kit will only fit the 346-Cadillac Engine that originally had a Hydra-matic Transmission.   Materials Included: (1) Adapter Plate-Inner - Cad...

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from $1,125.00
CA1000401 1949-1953 Cadillac 331 to Chevy Automatic
from $1,495.00

CA1000401 1949-1953 Cadillac 331 to Chevy Automatic

Cadillac

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

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from $1,495.00