New Products

WMO201 Gen 3 Hemi 5.7L to Chevy Automatic V8 Transmission 5.7L-350AT
from $1,375.00

WMO201 Gen 3 Hemi 5.7L to Chevy Automatic V8 Transmission 5.7L-350AT

Speed Gems

Materials Included: (1) Adapter Plate Gen 3 Hemi 5.7L to Chevy Automatic V8 Transmission (1) Flex Plate (1) Hub Spacer Fasteners; 2-3/8-16 X 1" UN...

View full details
from $1,375.00
WMO1101-1951-1953 331 Chrysler ( Extended Block) to the Chevy "Muncie" Transmission 331-350CH-MT
$1,450.00

WMO1101-1951-1953 331 Chrysler ( Extended Block) to the Chevy "Muncie" Transmission 331-350CH-MT

Speed Gems

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

$1,450.00
WMO1001- Early Hemi to Early (1932-1948) Ford 3 & 4 Speed Transmissions 392-EFM
$575.00

WMO1001- Early Hemi to Early (1932-1948) Ford 3 & 4 Speed Transmissions 392-EFM

Speed Gems

PLEASE CALL FOR AVAILABILITY & LEAD TIME 763-767-4480

$575.00
WCA101- CAD/CHEVY/GM 49-4 OLDS, 49-54 TO EARLY FORD MERC TRANS
$575.00

WCA101- CAD/CHEVY/GM 49-4 OLDS, 49-54 TO EARLY FORD MERC TRANS

Speed Gems

Call us for order details +1(763) 767-4480

$575.00
WFO501- BELLHOUSING ADAPTER FORD FLATHEAD TRUCK TO MUNCIE.
$400.00

WFO501- BELLHOUSING ADAPTER FORD FLATHEAD TRUCK TO MUNCIE.

Speed Gems

Call us for order details +1(763) 767-4480

$400.00
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
VW101 Volkswagen TDI 1.9L/2.0L (AHU/ALH) To Chevy Automatic Transmissions 1986-1995
$1,200.00

VW101 Volkswagen TDI 1.9L/2.0L (AHU/ALH) To Chevy Automatic Transmissions 1986-1995

Speed Gems

Materials Included: Adapter Plate-VW TDI to V8 Chevy Transmission Crank Adapter- VW TDI to V8 Chevy Transmission Flexplate Starter Hardware

$1,200.00
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
WMO1401-Early Hemi to SMALL BLOCK MOPAR MANUAL TRANS. 392-318-MT
$1,450.00

WMO1401-Early Hemi to SMALL BLOCK MOPAR MANUAL TRANS. 392-318-MT

Speed Gems

PLEASE CALL FOR AVAILABILITY & LEAD TIME 763-767-4480 Please note: cost includes starter and flywheel 392-318 MANUAL TRANS ADAPTER W/ STEEL FLY...

View full details
$1,450.00
WCH101- V8 Chevy Engine to Early Ford Manual Transmission 307-EFM-MT
from $575.00

WCH101- V8 Chevy Engine to Early Ford Manual Transmission 307-EFM-MT

Speed Gems

Call us for order details +1(763) 767-4480 Product Details MATERIALS INCLUDED: (1) CUSTOM CAST ALUMINUM BELL HOUSING (8) HHCS, 3/8-1...

View full details
from $575.00
WMO1301- 1951-1953 331 with extended bellhousing to Mopar Automatic A727 331-318AT
from $1,350.00

WMO1301- 1951-1953 331 with extended bellhousing to Mopar Automatic A727 331-318AT

Speed Gems

Product Details ENGINE APPLICATION YEARS/CID: V8 CHRYSLER 51-53 331 C.I. WITH EXTENDED BELLHOUSING TRANSMISSION APPLICATION YEAR/MODEL: SMALL BL...

View full details
from $1,350.00
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...

View full details
from $1,250.00
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...

View full details
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....

View full details
from $1,200.00
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...

View full details
from $1,250.00
WMO701 (6-BOLT  CRANK) Mopar Big Block To Chevy Automatic V8 Transmission 426-350-AT
from $1,250.00

WMO701 (6-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 6 BOLT...

View full details
from $1,250.00
WMO501- 1933-1971 Mopar Flathead 6 to Chevy Automatic V8 Transmission 230-350-AT
from $1,250.00

WMO501- 1933-1971 Mopar Flathead 6 to Chevy Automatic V8 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 ...

View full details
from $1,250.00
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 ...

View full details
from $1,250.00
FO302  Ford 239/252/272/292/312  “Y” - Block to Ford Modular (6R80) Automatic
from $1,350.00

FO302 Ford 239/252/272/292/312 “Y” - Block to Ford Modular (6R80) Automatic

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...

View full details
from $1,350.00
FP10004  Flexplate & 143-tooth Ring-gear - GM Applications
$109.99

FP10004 Flexplate & 143-tooth Ring-gear - GM Applications

Speed Gems

Materials Included: (1) FP10004 Flexplate - GM Applications(1) RG10001 143N-tooth Ring-gear This Flexplate works with the following Speed Gems Kit...

View full details
$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...

View full details
$183.99
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 ...

View full details
$109.99
S10009 - Ford 1949-53 Flathead to Ford Automatic - Starter
$225.00

S10009 - Ford 1949-53 Flathead to Ford Automatic - Starter

Speed Gems

This Starter works with the following Speed Gems Kit #'s: · FO12 - 01 We try to maintain stock levels of our Kit Components for fast delivery!  P...

View full details
$225.00
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...

View full details
$150.00