BU601 1957-1963 Buick 364 Nailhead (w/ 2.90” crank flange) to Chevy Automatic Transmission

Materials Included:

(1) Adapter Plate - Buick Nailhead to Chevy
(1) Crank Adapter-Inner
(1) Crank Adapter-Outer
(1) Torque Converter Drive Plate
(1) Flexplate - Small Center-Balanced Flexplate
(1) Balance Weight - Buick-364 to Chevy Auto. Balanced Flexplate
(6) SHCS 7/16-20 x 3
(4) SHCS 7/16-14 x 1-3/4
(2) SHCS 7/16-14 x 1-1/4
(6) 7/16-20 x 3/4 Flexplate Bolts
(2) Dowel Pin .621 x 1
(5) HCS 3/8-16 x 1-1/4 YZ8
(3) 7/16 H Extra Thick Washer
(3) 7/16 Flat Washer
(1) 166W Tooth Ring Gear

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. 

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!

*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