OL303 1961-1964 Oldsmobile 394 with "Slim-Jim" to Chevy Automatic Transmission (166-tooth externally balanced)

Note:

You will be re-using the stock Slim-Jim flywheel with this kit. Remove the original drive plate that is held onto the stock flywheel with 5/16's bolts and 2 pins. Then remove the bolts holding the flywheel to the Old's crankshaft.

The stock starter or an aftermarket replacement must be used with this kit as well.

Customers are responsible for throttle position signal provisions. Check out US Shifts options for TPS Kits. Please give us a call if you're not seeing what you need!

Materials Included:

(1) Adapter Plate - Olds/Cadillac 1949-1964 to Chevy
(1) Early Olds Crank Adapter
(1) Torque Converter Drive Plate
(2) Dowel Pin .620 x 1
(8) SHCS 7/16-14 x 1
(6) 7/16-20 x 3/4 Flexplate Bolts
(6) SHCS 7/16-20 x 3-1/4
(3) Extra Thick Washer 7/16 H
(3) USS Flat Washer 7/16 YZ 8
(6) 7/16 HC Lock Washer

Are you planning on using a modern GM 4L60E, 4L65E, and 4L70E (1997 and earlier only) or GM 4L80E and 4L85E transmission with this kit? By adding a US Shift Quick 4 stand-alone transmission controller you will save $100 dollars off of the cost of your Speed Gems adapter kit. This kit will not work with “LS” based transmissions.

*Matching our adapter kits with your engine can be tricky. If you are unsure of which kit to purchase for your engine, please call customer service at (763) 767-4480. Speed Gems is not responsible for return shipping costs of mismatched kits.

Installation Instructions