Shop Speed Gems' Kits

Shop Speed Gems' Kits

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 Dr...

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from $1,650.00
TH10001 - 700R4 Short Extension Housing
$395.00

TH10001 - 700R4 Short Extension Housing

Speed Gems

Allows for building a 27-inch long 700R4 transmission utilizing a 4x4 output shaft. Comes with bushing, seal and O-ring. NOTE:  27-inch yoke must b...

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$395.00
OL201  1957-1964 Oldsmobile 371/394 to Chevy Manual Transmission
from $1,550.00

OL201 1957-1964 Oldsmobile 371/394 to Chevy Manual Transmission

Speed Gems

NOTE: Due to the nature of the Chevy V8 bellhousing being larger than the engine block rear profile and shape, this kit requires modification of th...

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from $1,550.00
FW10001  Buick 401 & 425 Nailhead Flywheel
$399.99

FW10001 Buick 401 & 425 Nailhead Flywheel

Speed Gems

This is a BRAND NEW steel Flywheel that fits Buick Nailhead 401 & 425 engines. The Flywheel is drilled to accept either a 10-1/2 inch or 11 inc...

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$399.99
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
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
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
bellhousings
$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
GM301 GMC 702 V12 To Chevy Automatic V8 Transmission
from $1,650.00

GM301 GMC 702 V12 To Chevy Automatic V8 Transmission

Speed Gems

Materials Included: (1) Adapter plate - GM V6/V12 to Chevy V8 (1) Crank Adapter - (1) High torque mini starter (1) Flexplate(6) SHCS 1/2-20 X 1 (8)...

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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
ME201  Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine to Chevy Automatic V8 Transmission
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
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
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
EC102  ECOTEC Supercharged or Turbo to Chevy Automatic V8 Transmission (700R4/TH350/TH400)
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
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(1) Pilot Bu...

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from $1,450.00
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-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
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
WMO702 (8-BOLT  CRANK) Mopar Big Block To Chevy Automatic V8 Transmission 426-350-AT
from $1,250.00

WMO702 (8-BOLT CRANK) Mopar Big Block To Chevy Automatic V8 Transmission 426-350-AT

Speed Gems

Product Details 426-350 ADAPTER WITH FLEX PLATE AND HUB ADAPTER ENGINE APPLICATION YEARS/Cm V8 CHRYSLER BIG BLOCK 361,383,400,413,426,440 8 BOLT...

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from $1,250.00
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
FO2401 FORD 2015-2020 2.0L/2.3L ECOBOOST TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
from $1,550.00

FO2401 FORD 2015-2020 2.0L/2.3L ECOBOOST TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)

Speed Gems

Materials Included: (1) Adapter Plate Ford Ecoboost 2.0/2.3 to Chevy(1) Crank adapter(1) Torque converter spacer(1) Torque converter drive plate(2)...

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from $1,550.00
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
LI701  1961-1965 Lincoln 430 & 1966-1968 Lincoln 462 to Ford Small Block AOD
from $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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from $1,450.00
HU101  1954 and Older Hudson 262/308 to Chevy Automatic V8 Transmission
from $1,250.00

HU101 1954 and Older Hudson 262/308 to Chevy Automatic V8 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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from $1,250.00
GM201 GMC 305/351/379/401/432/478 V6 To Chevy V8 Automatic Transmission
from $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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from $1,450.00
WFO101- 1965-1998 Ford Small Block To Chevy Automatic V8 Transmission 302-350-AT
from $1,250.00

WFO101- 1965-1998 Ford Small Block To Chevy Automatic V8 Transmission 302-350-AT

Speed Gems

Product Details SB FORD TO CHEVROLET AUTO TRANS ENGINE APPLICATION YEARS/CID: FORD SMALL BLOCK 289, 302, 351 1964-1998 TRANS APPLICATI...

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from $1,250.00
WMO601 (6-BOLT  CRANK) Mopar Small Block To Chevy Automatic V8 Transmission 318-350 AT
from $1,200.00

WMO601 (6-BOLT CRANK) Mopar Small Block To Chevy Automatic V8 Transmission 318-350 AT

Speed Gems

Product Details SB CHRYSLER TO SB CHEVY. Note that this is NOT the Magnum engine. Contact us if you have an SB Magnum. In addition the 340 c.i....

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from $1,200.00
FP10001  Flexplate & 168-tooth Ring-gear - Chevy 216/235/261 to V8-style Transmission
$109.99

FP10001 Flexplate & 168-tooth Ring-gear - Chevy 216/235/261 to V8-style Transmission

Speed Gems

Materials Included: (1) FP10001 Flexplate - Chevy 216/235/261 to V8-style Transmission(1) RG10005 168S-tooth Ring-gear   This Flexplate works with ...

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$109.99
BU601 1957-1963 Buick 364 Nailhead (w/ 2.90” crank flange) to Chevy Automatic Transmission
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
Speedometer Cable  (#SC10001)
$49.99

Speedometer Cable (#SC10001)

Speed Gems

This cable has the standard GM thread on the one end and 1950's era thread, that was common on all car lines, on the other. Example: Putting a 700R...

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$49.99
FO1701 Ford Y-block Pickup Truck Complete Crossmember Kit
$475.00

FO1701 Ford Y-block Pickup Truck Complete Crossmember Kit

Speed Gems

Materials Included:  (1) Transmission crossmember(2) Removable crossmember (2) "L" Bracket(1) "S" Bracket Right(1) "S" Bracket Left (1) Moog link k...

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$475.00
ST101 Studebaker 8-cylinder to Chevy Automatic Transmission
from $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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from $1,750.00
FO1601 FORD SMALL BLOCK 1965 & NEWER TO FORD FLATHEAD MANUAL TRANSMISSION (1948 & OLDER)
$950.00

FO1601 FORD SMALL BLOCK 1965 & NEWER TO FORD FLATHEAD MANUAL TRANSMISSION (1948 & OLDER)

Speed Gems

This TRANSMISSION ADAPTER KIT will allow for any Ford engine (i.e. - 240 / 300 straight-6, 250 straight-6, 289, 302, 351W, 351C engines) with a Sma...

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$950.00
FO1301 FORD 223 6-CYL TO FORD SMALL BLOCK AOD/C5/C6
from $1,250.00

FO1301 FORD 223 6-CYL TO FORD SMALL BLOCK AOD/C5/C6

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 (...

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from $1,250.00
WMO1701- Early Hemi 392 TO 350 CHEVY TRANS Manual Transmission
$1,450.00

WMO1701- Early Hemi 392 TO 350 CHEVY TRANS Manual Transmission

Speed Gems

PLEASE CALL FOR AVAILABILITY & LEAD TIME 763-767-4480 Please note: cost includes starter and flywheel

$1,450.00
WMO101 Early Hemi to Chevy Automatic V8 Transmission 392-350AT
from $1,250.00

WMO101 Early Hemi to Chevy Automatic V8 Transmission 392-350AT

Speed Gems

392-350 ADAPTER W/ FLEX PLATE AND HUB SPACER. ENGINE APPLICATION YEARS/CID: V8 CHRYSLER 54-58, DODGE 53-58, DESOTO 52-58, PLYMOUTH 55-58 ...

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from $1,250.00
FO302 FORD Y-BLOCK 239/252/272/292/312 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)
from $1,350.00

FO302 FORD Y-BLOCK 239/252/272/292/312 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)

Speed Gems

Materials Included: (1) Adapter Plate - Ford/Lincoln/Mercury to Ford(1) Crank Adapter - Ford 223 Inline-6 or 239 "Y"-block to Ford AOD(1) Flexplate...

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from $1,350.00
ME302  Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/ 15-degree) to Ford AOD Transmission
from $1,250.00

ME302 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/ 15-degree) to Ford AOD Transmission

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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from $1,250.00
PO301  Pontiac Straight-8 to Chevy Automatic V8 Transmission
from $1,650.00

PO301 Pontiac Straight-8 to Chevy Automatic V8 Transmission

Speed Gems

Materials Included: (1) Adapter plate - inner - Pontiac straight 8 to Chevy auto(1) Adapter plate - outer - Pontiac straight 8 to Chevy auto(1) Cra...

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from $1,650.00
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

Materials Included: (1) Adapter plate - 1966-1968 Lincoln to Chevy auto(1) Crank Adapter(1) High torque mini starter  (1) Flexplate(5) SHCS 7/16-14...

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from $1,450.00
FO1801 Ford Modular Engine to Chevy LS1-350
from $1,375.00

FO1801 Ford Modular Engine to Chevy LS1-350

Speed Gems

Materials Included:  (1) Adapter plate Ford modular to Chevy(1) Torque converter spacer - Ford Modular Engine to Chevy 700R4/4L80E(2) SHCS M10-1.5 ...

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from $1,375.00
FO1101 FORD MODEL A/B TO CHEVY V8 AUTOMATIC TRANSMISSION (700R4)
Sold out
from $1,650.00

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

Speed Gems

Materials Included:  (1) Adapter plate - Ford Model A to Chevy auto(1) Crank Adapter - Ford model A/B to Chevy automatic transmission(1) Flexplate(...

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from $1,650.00
Sold out
WMO1601-Mopar Slant 6 To Chevy Automatic V8 Transmission 225-350-AT
from $1,250.00

WMO1601-Mopar Slant 6 To Chevy Automatic V8 Transmission 225-350-AT

Speed Gems

Product Details Mopar Slant 6 to Chevrolet Auto transmission. Uses the late model OGR mini starter in either a high or low position. Must specif...

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from $1,250.00
BU802  Buick Flexplate and Adapter for 1963 & Older Buick 401/425 to 1964 & Newer Automatic Transmission
from $179.00

BU802 Buick Flexplate and Adapter for 1963 & Older Buick 401/425 to 1964 & Newer Automatic Transmission

Speed Gems

Materials Included: (1) Buick Tapered Pilot Bushing (PB10009)(1) Flexplate (FP10003)(1) 166W-tooth Ring-gear (RG10004)(1) Balance Weight for Buick ...

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from $179.00
BU301  Buick Straight-8  320 w/ orig. Manual Transmission to Chevy V8 Automatic
from $1,250.00

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

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

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

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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from $1,250.00
KW101  1947-1962 Kaiser Willys 226 Flathead to Chevy Automatic V8 Transmission
from $1,250.00

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

Speed Gems

Materials Included: (1) Adapter plate - 1947-1962 Kaiser Willys flathead to Chevy automatic(1) Crank Spacer - 1947-1962 Kaiser Willies 226 flathead...

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from $1,250.00