BU101 Buick Straight-8 233/248/263 w/ orig. Manual Transmission to Chevy Automatic

by Buick
$1,095.00

Materials Included:

(1) Adapter Plate-Inner - Buick Straight-8 to Chevy
(1) Adapter Plate-Outer - Buick Straight-8 Manual to Chevy
(1) Crank Adapter - Buick Straight-8, 233/248/263 w/ std.
Trans. to Chevy Auto.
(1) 168-tooth Chevy Flexplate
(1) High Torque mini-Starter
(2) Dowel Pin .620 x 2-1/2
(6) SHCS 7/16-20 x 3/4
(6) 7/16-20 x 3/4 Flexplate Bolts
(2) FHSCS 7/16-14 x 1-1/2
(3) HCS 7/16-14 x 1-1/2
(4) Lock Washer 7/16
(1) HCS 7/16-14 x 1-1/4
(5) HCS 3/8-16 x 2-1/2
(1) HCS 3/8-16 x 1-1/4
(2) HCS 3/8-16 x 3-3/4


Are you planning on using a modern a GM 4L60E, 4L65E, and 4L70E (2008 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. 

We have additional options from US Shift. Please give us a call if you're not seeing what you need!


*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