Products

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
CH301  Chevy 216/235/261 to Chevy V8-Style Transmission
from $950.00

CH301 Chevy 216/235/261 to Chevy V8-Style Transmission

Speed Gems

Materials Included:  (1) Adapter Plate - Chev/GM to V8-style transmission(1) Flexplate - Chevy Inline 6 to V8-style transmission(1) Starter – Modif...

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from $950.00
CH401 Chevy LS1-Series to Dodge Hemi w/ NAG1
$1,500.00

CH401 Chevy LS1-Series to Dodge Hemi w/ NAG1

Speed Gems

Materials Included: (1) Adapter plate - Dodge to Chevy(1) Flexplate Adapter(1) Top steel bar Assembly(2) FHSCS 3/8-16 x 1-1/2(4) FHSCS 5/16-18 x 1(...

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$1,500.00
CH701  LS to Cadillac 429 Transmission
$1,150.00

CH701 LS to Cadillac 429 Transmission

Speed Gems

Materials Included: (1) Adapter Plate - LS to Cadillac 429(2) Dowel Pin .625 x 2.50*Mounting Hardware *CALL TO ORDER* Speed Gems806H S. Division S...

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$1,150.00
DO101  Dodge Hemi w/ NAG1 to Chevy Automatic Transmission
from $1,350.00

DO101 Dodge Hemi w/ NAG1 to Chevy 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 bloc...

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from $1,350.00
DO102  Dodge Hemi 45RFE to Chevy Automatic Transmission
from $1,350.00

DO102 Dodge Hemi 45RFE to Chevy 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 bloc...

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from $1,350.00
DO103  Designed Specifically for the Dodge Hemi Hellcat 6.2L & 6.4L to Chevy 4L80E/Automatic Transmission
from $1,350.00

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 bloc...

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from $1,350.00
EC101  ECOTEC Naturally Aspirated (i.e. Olds Alero) to Chevy Automatic Transmission (700R4/TH350/TH400)
from $1,100.00

EC101 ECOTEC Naturally Aspirated (i.e. Olds Alero) to Chevy Automatic 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 $1,100.00
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
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
FO1001  Ford 239/252/272/292/312  "Y" - Block to Chevy Automatic Transmission
$1,100.00

FO1001 Ford 239/252/272/292/312 "Y" - Block to Chevy Automatic Transmission

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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$1,100.00
FO101  Ford 351M/400 to Ford AOD
$1,050.00

FO101 Ford 351M/400 to Ford AOD

Speed Gems

Materials Included:  (1) Adapter Plate – Ford to Ford AOD(1) Block Plate - Ford 351M/400M/429/460 to Ford AOD(1) Torque Converter Spacer - Ford 351...

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$1,050.00
FO102  Ford 429/460 to Ford AOD
$1,050.00

FO102 Ford 429/460 to Ford AOD

Speed Gems

Materials Included:  (1) Adapter Plate – Ford to Ford AOD(1) Block Plate - Ford 351M/400M/429/460 to Ford AOD(1) Torque Converter Spacer - Ford 351...

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$1,050.00
FO1101  Ford Model A/B to Chevy Automatic Transmission
$1,650.00

FO1101 Ford Model A/B to Chevy Automatic Transmission

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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$1,650.00
FO1201  1949-1953 Ford Flat-Head to Ford Automatic Transmission
$1,250.00

FO1201 1949-1953 Ford Flat-Head to Ford Automatic Transmission

Speed Gems

Materials Included: (1) Ford Flathead to C4 adapter kit (1) Flexplate(1) Starter snout(1) Block plate(1) Starter   *Matching our adapter kits with ...

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$1,250.00
FO1301  Ford 223 6-cylinder to Ford AOD
$1,250.00

FO1301 Ford 223 6-cylinder to Ford AOD

Speed Gems

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

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$1,250.00
FO1401  Ford Modular to Dodge Hemi Transmission
$1,350.00

FO1401 Ford Modular to Dodge Hemi Transmission

Speed Gems

Materials Included:  (1) Adapter Plate - Ford Modular (1) Torque converter spacer(1) Inspection Cover (1) Starter Shim (2) SHCS M10-1.5 X 45 P LOW ...

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$1,350.00
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
FO1601  Ford Small Block to early Transmission (1948 & older)
$950.00

FO1601 Ford Small Block to early 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
FO1602  Ford Small Block to early Transmission (1948 & older) - INCLUDES Flywheel & Starter
$1,350.00

FO1602 Ford Small Block to early Transmission (1948 & older) - INCLUDES Flywheel & Starter

Speed Gems

Materials Included: (1) BH10001 Bell Housing - Small Block Ford to Early Transmission (1948 and older)(1) BP10002 Block Plate - 6 bolt - small blo...

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$1,350.00
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
FO1801 Ford Modular Engine to Chevy LS1-350
$1,350.00

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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$1,350.00
FO1901 Ford Y-Block to SBF and Modular Manual Transmission
$1,450.00

FO1901 Ford Y-Block to SBF and Modular Manual Transmission

Speed Gems

Materials Included: (1) Adapter plate - Ford/Linc/Merc to Ford(1) Crank Adapter - Ford 223 Inline 6 or 239 "Y" block to Ford AOD(1) Inspection Cove...

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$1,450.00
FO2001 Ford FE to SBF Manual Transmissions
$1,450.00

FO2001 Ford FE to SBF Manual Transmissions

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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$1,450.00