Best Selling Products

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

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

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

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from $1,650.00
BH10003  Oldsmobile & Cadillac Bellhousing
$395.00

BH10003 Oldsmobile & Cadillac Bellhousing

Speed Gems

This is a BRAND NEW cast-aluminum Bellhousing that fits Oldsmobile (1949 thru 1964) or Cadillac extended bellhousing engines (1949 thru 1954).  T...

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$395.00
BPOC101 - BOP V8 BELL/BLOCK PATTERN TO CHEVY V8 AUTOMATIC TRANSMISSION
from $265.00

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 $265.00
FO2601  Ford FE 352/360/390/406/427 to Ford Modular Manual Transmission
from $1,450.00

FO2601 Ford FE 352/360/390/406/427 to Ford Modular Manual Transmission

Speed Gems

Materials Included: (1) Adapter plate - Ford/Linc/Merc to Ford(1) Crank Adapter - Ford FE to Ford AOD(1) Inspection Cover - Ford (most) (1) Flywhee...

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from $1,450.00
ME303 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/ 15-degree) to Ford Manual Transmission
from $1,450.00

ME303 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/ 15-degree) to Ford Manual Transmission

Speed Gems

Materials Included: (1) Adapter plate - Mercedes 6 cyl diesel 15 degree to Ford(1) Crank Adapter Mercedes to Manual Trans(1) Flywheel 5.4L (1) Pi...

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from $1,450.00
MT1501  Ford Car with Steel Bellhousing to 1984-92 Chevy S10 T5
$255.00

MT1501 Ford Car with Steel Bellhousing to 1984-92 Chevy S10 T5

Speed Gems

Materials Included: (1) Adapter Plate Ford Car with Steel Bellhousing to Chevy S10 T5(4) FHSCS 7/16-20 x 1-1/4(4) SHCS 7/16-14 x 1 *Matching our a...

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$255.00
MT1401  Buick Straight-8 Bellhousing to 1984-92 Chevy S10 T5
$495.00

MT1401 Buick Straight-8 Bellhousing to 1984-92 Chevy S10 T5

Speed Gems

Note: THE TORQUE TUBE WILL NEED TO BE CONVERTED TO A MODERN DRIVESHAFT TO BE ABLE TO ADAPT TO A NEWER TRANSMISSION TAILSHAFT FLANGE OR TRANSFER CAS...

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$495.00
HU102  1955 and newer Hudson 308 to Chevy Transmission
$1,250.00

HU102 1955 and newer Hudson 308 to Chevy Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Hudson to Chevy 1 Adapter Plate(1) Crank Spacer - 1955 and newer Hudson 262/308 inline 6 cylinder to Chevy...

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$1,250.00
FO1501  Ford 2300 4-cylinder to Chevy V8-Style Automatic Transmission
$1,100.00

FO1501 Ford 2300 4-cylinder to Chevy V8-Style Automatic Transmission

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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$1,100.00
EC102  ECOTEC Supercharged or Turbo to Chevy Automatic Transmission (700R4/TH350/TH400)
from $1,350.00

EC102 ECOTEC Supercharged or Turbo to Chevy Automatic 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
CA601  Cadillac 429 to 700R4
$750.00

CA601 Cadillac 429 to 700R4

Speed Gems

Materials Included: (1) Adapter Plate - Cadillac 429 to Chevy 700R4(1) Torque Converter Spacer(1) Pilot Bushing - Cadillac 429 to 700R4(2) Dowel Pi...

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$750.00
CA201 1942-1948 Cadillac 346 Flathead w/Hydra-matic to Chevy Automatic V8 Transmission
from $1,350.00

CA201 1942-1948 Cadillac 346 Flathead w/Hydra-matic to Chevy Automatic V8 Transmission

Speed Gems

*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 $1,350.00
BH10002  1957-1963 Buick Nailhead to GM 4-and 5-Speed Bellhousing
$395.00

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

Speed Gems

This is a BRAND NEW cast-aluminum Bellhousing that will allow you to bolt a 3, 4, or 5-speed Manual Transmission to the 1957 thru 1966 Buick Nailhe...

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$395.00
BU702 1964-1966 Buick 401/425 Nailhead to Chevy Automatic V8 Transmission (w/ small-hole Flexplate)
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
S10005 - Starter (Multiple Oldsmobile/Cadillac Kit Applications)
$150.00

S10005 - Starter (Multiple Oldsmobile/Cadillac Kit Applications)

Speed Gems

This Starter works with the following Speed Gems Kit #'s: · CA2 - 01· CA4 - 01· CA5 - 01· OL1 - 01· OL2 - 01· OL3 - 01· OL3 - 02   We try to mainta...

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

ME201 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine to Chevy Automatic 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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$1,250.00
MT1101  1964 and older Ford bellhousing from car with 6.5" depth to '82-'93 Ford T-5
$355.00

MT1101 1964 and older Ford bellhousing from car with 6.5" depth to '82-'93 Ford T-5

Speed Gems

Materials Included: (1) AP10059 1964 and older Ford Bellhousing from cars with 6.5" depth(4) SHCS 7/16-14 X 1 3/4(2) FHSCS 7/16-14 X 1-1/4 *Matchin...

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$355.00
GM201 GMC 305/351/379/401/432/478 V6 To Chevy V8 Automatic Transmission
$1,450.00

GM201 GMC 305/351/379/401/432/478 V6 To Chevy V8 Automatic Transmission

Speed Gems

Materials Included: (1) Adapter plate - GM V6/V12 to Chevy V8 (1) Crank Adapter - GMC V6 to Chevy V8 style automatic(1) Flexplate(1) High torque mi...

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$1,450.00
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
ST101 Studebaker 8-cylinder to Chevy Automatic Transmission
$1,750.00

ST101 Studebaker 8-cylinder to Chevy Automatic Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Studebaker 8 cylinder to Chevy auto(1) Crank Adapter - Studebaker 8 cylinder to Chevy automatic transmissi...

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$1,750.00
MT1001  Chevy T5 1984-1992 to 1947 & older Chevy 216 3 & 4-speed Bellhousings (w/ Floor Shift)
$295.00

MT1001 Chevy T5 1984-1992 to 1947 & older Chevy 216 3 & 4-speed Bellhousings (w/ Floor Shift)

Speed Gems

Materials Included: (1) Adapter plate - 1947 and older Chevy 216 Bellhousing with floor shift 3 and 4-speed to 1984-1992 Chevy S-10 T5(4) FHSCS 1/2...

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$295.00
LI701  1961-1965 Lincoln 430 & 1966-1968 Lincoln 462 to Ford Small Block AOD
$1,450.00

LI701 1961-1965 Lincoln 430 & 1966-1968 Lincoln 462 to Ford Small Block AOD

Speed Gems

Note: This kit will also work for a C5, C6. If you plan on using a C4, be sure that you have the larger 164 tooth flexplate style bellhousing (For...

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$1,450.00
HU101  1954 and Older Hudson 262/308 to Chevy Transmission
$1,250.00

HU101 1954 and Older Hudson 262/308 to Chevy Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Hudson to Chevy (1) Crank Spacer - 1954 and older Hudson 262/308 inline 6 cylinder to Chevy(1) High torque...

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$1,250.00