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Products

FO1601 FORD SMALL BLOCK 1965 & NEWER TO FORD FLATHEAD MANUAL TRANSMISSION (1948 & OLDER)
$800.00

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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$800.00
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
FO1901 FORD Y-BLOCK 239/252/272/292/312 TO FORD SMALL BLOCK & MANUAL
from $1,450.00

FO1901 FORD Y-BLOCK 239/252/272/292/312 TO FORD SMALL BLOCK & MANUAL

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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from $1,450.00
FO1902 FORD Y-BLOCK 239/252/272/292/312 TO FORD & MODULAR MANUAL
from $1,450.00

FO1902 FORD Y-BLOCK 239/252/272/292/312 TO FORD & MODULAR MANUAL

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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from $1,450.00
FO2001 FORD FE 352/360/390/406/427 TO SMALL BLOCK FORD MANUAL TRANSMISSION
from $1,450.00

FO2001 FORD FE 352/360/390/406/427 TO SMALL BLOCK FORD 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
FO201FordFE352
from $1,350.00

FO201 FORD FE 352/360/390/406/427 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 (Ford...

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from $1,350.00
FO203 FORD FE 352/360/390/406/427
from $1,350.00

FO202 FORD/MERCURY FE 410/428 TO SMALL BLOCK FORD 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 (Ford...

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from $1,350.00
FO203 FORD FE 352/360/390/406/427 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION
from $1,350.00

FO203 FORD FE 352/360/390/406/427 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)

Speed Gems

Materials Included: (1) Adapter Plate - Ford/Lincoln/Mercury to Ford(1) Crank Adapter - Ford/Lincoln/Mercury/Edsel to Ford AOD(1) Flexplate(1) High...

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from $1,350.00
FO203 FORD FE 352/360/390/406/427
from $1,350.00

FO204 FORD/MERCURY 410/428 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)

Speed Gems

Materials Included: (1) Adapter Plate - Ford/Lincoln/Mercury to Ford(1) Crank Adapter - Ford/Lincoln/Mercury/Edsel to Ford AOD(1) Flexplate(1) High...

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from $1,350.00
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)
Sold out
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
Sold out
FO2501 FORD 429/460 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)
Sold out
from $1,650.00

FO2501 FORD 429/460 TO FORD MODULAR V8 AUTOMATIC TRANSMISSION (6R80/4R70W)

Speed Gems

Release expected 5/31/2026 Call for more info 763-767-4480 USES V8 STYLE 5.0L/5.4L 6R80 *** If you have a 351M or 400, Please see kit # FO...

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from $1,650.00
Sold out
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
Mechanical components including a flywheel, clutch plate, and starter motor on a white background
from $1,100.00

FO2701 FORD SMALL BLOCK V8 TO FORD MODULAR V8 AUTO

Speed Gems

Back and better than ever, our small block Ford to Modular V8 automatic kit is ready to take your project to the next level. With a refined footpri...

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from $1,100.00
FO301 FORD Y-BLOCK
from $1,350.00

FO301 FORD Y-BLOCK 239/252/272/292/312 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 (Ford...

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from $1,350.00
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
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
Sold out
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
Sold out
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
FO901 FORD SMALL BLOCK 221/260/289 1964 & OLDER TO FORD SMALL BLOCK AOD/C5/C6
from $1,250.00

FO901 FORD SMALL BLOCK 221/260/289 1964 & OLDER TO FORD SMALL BLOCK AOD/C5/C6

Speed Gems

Please call for availability +1 763-767-4480 Note: This kit will also work for a C5, C6. If you plan on using a C4, be sure that you have the large...

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from $1,250.00
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
FP10002  Flexplate (w/ small-hole) & 166-tooth Ring-gear - Buick Nailhead 364/401/425 to Chevy Automatic Transmission
$183.99

FP10002 Flexplate (w/ small-hole) & 166-tooth Ring-gear - Buick Nailhead 364/401/425 to Chevy Automatic Transmission

Speed Gems

Materials Included: (1) FP10002 Flexplate (w/ small-hole) - Buick Nailhead to Chevy Automatic Transmission(1) RG10004 166W-tooth Ring-gear (1) BW10...

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$183.99
FW10001  Buick 401 & 425 Nailhead Flywheel
$449.00

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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$449.00
FW10002  Buick 364 Nailhead Flywheel
$449.00

FW10002 Buick 364 Nailhead Flywheel

Speed Gems

This is a BRAND NEW steel Flywheel that fits Buick Nailhead 364 engines. The Flywheel is drilled to accept either a 10-1/2 inch or 11 inch GM clutc...

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$449.00
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  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

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  1955 and newer Hudson 308 to Chevy Transmission
$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 V8 Transmission
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
LI301 - 1952-1957 LINCOLN / MERCURY OHV V8 TO FORD SMALL BLOCK AOD TRANSMISSION
from $1,450.00

LI301 - 1952-1957 LINCOLN / MERCURY OHV V8 TO FORD SMALL BLOCK AOD 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