Best Selling Products

FO601  Ford 429/460 to Chevy Automatic Transmission
$1,250.00

FO601 Ford 429/460 to Chevy Automatic Transmission

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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$1,250.00
PA101  Packard 288/327/359 Straight-8 to Chevy Automatic Transmission
$1,200.00

PA101 Packard 288/327/359 Straight-8 to Chevy Automatic Transmission

Speed Gems

Materials Included: (1) Adapter Plate - Packard 288/327/359 Straight-8 to Chevy(1) Crank Spacer - Packard 288/327/359 Straight-8 to Chevy(1) Flexpl...

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$1,200.00
FO901  Small Block Ford 221/260/289 1964 & older to Ford Small Block AOD
$1,050.00

FO901 Small Block Ford 221/260/289 1964 & older 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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$1,050.00
MT301  216/235 with 3-speed Chevy Bellhousing 1954 and Older to Chevy S10 T5 1984-1992
$255.00

MT301 216/235 with 3-speed Chevy Bellhousing 1954 and Older to Chevy S10 T5 1984-1992

Speed Gems

Materials Included: (1) Adapter plate - 1984-1992 Chevy S10 T5 to 1954 or older Chevy 216/235 with Chevy 3-speed Bellhousings(4) FHSCS 3/8-16 x 1-1...

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$255.00
FO101  Ford 351M/400 to Ford Small Block AOD
$1,050.00

FO101 Ford 351M/400 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 (F...

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$1,050.00
BU101  Buick Straight-8  233/248/263 w/ orig. Manual Transmission to Chevy Automatic
from $1,250.00

BU101 Buick Straight-8 233/248/263 w/ orig. Manual Transmission to Chevy 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
PO201  1963-1964 Pontiac (w/ 2.75” crank flange) to Chevy Automatic Transmission
$1,250.00

PO201 1963-1964 Pontiac (w/ 2.75” crank flange) to Chevy Automatic Transmission

Speed Gems

Materials Included: (1) Adapter plate (1) Crank Adapter (1) Starter Block(1) High torque mini starter(1) Flexplate (2) SHCS 7/16-14 X 4 1/2 2 Bolt(...

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$1,250.00
ME202  Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/15-degree) to Chevy Automatic Transmission
$1,250.00

ME202 Mercedes 5 & 6-cylinder (1987 & Newer) Diesel Engine (w/15-degree) to Chevy Automatic Transmission

Speed Gems

Materials Included:  (1) Adapter plate - Mercedes 5 and 6 cyl diesel engines '87 & up w/15 deg. to chev auto(1) Torque converter spacer - Merce...

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$1,250.00
S10006 - High-Torque mini-Starter (Multiple Kit Applications)
$160.00

S10006 - High-Torque mini-Starter (Multiple Kit Applications)

Speed Gems

This Starter works with the following Speed Gems Kit #'s: · AMC1 - 01· BU1 - 01· BU2 - 01· BU3 - 01· BU4 - 01· CA1 - 01· CA1 - 02· FO2 - 01· FO2 - ...

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$160.00
MT201  Chevy 3 & 4-speed Bellhousings (most) to Chevy S10 T5 1993-1996
$275.00

MT201 Chevy 3 & 4-speed Bellhousings (most) to Chevy S10 T5 1993-1996

Speed Gems

Materials Included:  (1) Adapter plate - Chevy Bellhousings to Chevy/Ford T5(2) HCS 3/8-16 x 1-1/2(2) FLAT WASHER 3/8 (2) FHSCS 1/2-13 x 1-1/2(4) H...

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$275.00
GM401  GM 3800 Series V6 Engine to Chevy Automatic
$925.00

GM401 GM 3800 Series V6 Engine to Chevy Automatic

Speed Gems

Materials Included: (1) Adapter plate - GMC 3800 V6 Series 1 & 2 to Chevy auto(1) Crank Adapter - GMC 3800 V6 Series 1 & 2 to Chevy V8 styl...

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$925.00
BU701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission
from $925.00

BU701 1964-1966 Buick 401/425 Nailhead to Chevy Automatic Transmission

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 $925.00
BU1002  Buick 401 & 425 Nailhead Heavy Duty Cast-Aluminum Stick Kit
from $1,450.00

BU1002 Buick 401 & 425 Nailhead Heavy Duty Cast-Aluminum Stick Kit

Speed Gems

*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 indicate ...

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from $1,450.00
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
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
BU201  Buick Straight-8  248/263 w/ orig. Dynaflow to Chevy Automatic
from $1,250.00

BU201 Buick Straight-8 248/263 w/ orig. Dynaflow to Chevy 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
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
MT701  Ford T-5 1983-1993 to Ford Flathead with stamped-steel Bellhousing
$295.00

MT701 Ford T-5 1983-1993 to Ford Flathead with stamped-steel Bellhousing

Speed Gems

Materials Included: (1) Adapter plate - Mercury/Ford Flathead to Ford T-5(2) FHSCS 7/16-14 x 1-1/2(2) SHCS 7/16-20 x 2(2) SHCS 7/16-14 x 1-1/4   Th...

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$295.00
GM301 GMC 702 V12 To Chevy V8 Automatic Transmission
$1,650.00

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

CA401 1949-54 CADILLAC 331 W/ “EXTENDED BELLHOUSING” BLOCK STYLE TO CHEVY

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
WMO1501 Early Hemi to Ford Small Block Manual Transmission 392-302
$1,450.00

WMO1501 Early Hemi to Ford Small Block Manual Transmission 392-302

Speed Gems

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

$1,450.00
WMO501- 1933-1971 Mopar Flathead 6 to Chevy Automatic Transmission 230-350-AT
$1,200.00

WMO501- 1933-1971 Mopar Flathead 6 to Chevy Automatic Transmission 230-350-AT

Speed Gems

CHRYSLER FLATHEAD 6 TO CHEVY AUTO. ENGINE APPLICATION YEARS/CID CHRYSLER/DODGE/PLYMOUTH FLATHEAD 6 CYL 201,218, 230, 251, 265 CI 1933-1971 ...

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$1,200.00