All kits made from High-Quality USA Aluminum and Steel. Proudly manufactured in the U.S.A.!
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 style automatic
(1) Torque converter drive plate
(3) FHSCS M12-1.75 X 45
(2) FHSCS M12-1.75 X 60
(1) HEX NUT M12-1.75
(8) SHCS 5/16-18 X 1 3/4
(6) 7/16-20 x 3/4 flexplate bolts
(6) HCS 3/8-16 X 1 1/4
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.
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