Performance Adapters at US Shift
Do you want to adapt a transmission to an engine it was not originally compatible with? Our friends at Performance Adapters have solved this problem with their in-house machined adapter kits.
All purchases are processed using Shopify. Please read our store policies before purchasing. If you'd rather order by phone or email, feel free to contact us.
IMPORTANT!
A discount applies to adapters that are purchased with a US Shift controller system. Please contact us to bundle a controller with a transmission adapter and receive a discount.
Ford M-Block 351M/400 Engines
Ford 351M/400 to Ford Small Block & Modular
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford 351M/400 to Ford Ecoboost V6
Transmissions include 6R80 and 10R80 (V6 versions)
Ford 351M/400 to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Ford Big Block 429/460 Engines
Ford 429/460 to Ford Small Block & Modular
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford 429/460 to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Ford Small Block Engines
Ford Small Block V8 to Ford Modular
Transmissions include 4R70W, 6R80, and 10R80
Ford Small Block 5-Bolt to 6-Bolt / Modular
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford Small Block V8 to Ford Ecoboost V6
Transmissions include 6R80 and 10R80 (V6 versions)
Ford Small Block to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Ford Barra Inline 6 Engines
Ford Barra Inline 6 to Ford Modular V8
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford FE Engines
Ford FE to Ford Small Block V8
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford FE to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Ford Y-Block Engines
Ford Y-Block to Ford Modular V8
Transmissions include AODE, 4R70W, 6R80, and 10R80
Ford Y-Block to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Ford Modular Engines
Ford Modular to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Cooler Line Adapters
Front-Facing 10R80 & 6R80 Transmission Cooler Line Adapter
Front-facing adapter angles 8AN cooler lines away from the transmission case
Straight-Out 10R80 & 6R80 Transmission Cooler Line Adapter
Straight-out adapter allows full 360-degree routing of 8AN cooler lines
GM Engines
GM LS to Ford Small Block & Modular
Transmissions include AODE, 4R70W, 6R80, and 10R80
GM Inline 6 to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
GM Atlas / Vortec 4200 Inline 6 to GM V8
Transmissions include 4L60E, 4L80E, and 10L90
Honda Engines
Honda K-Series to Ford Small Block V8
Transmissions include AODE
Honda K-Series to Ford Modular V8
Transmissions include 4R70W, 6R80, and 10R80
Store Policies
Shipping Cost
Shipping is calculated by Shopify at checkout. For controller kits, we ship via UPS.
Shipping Time
Most orders are shipping out same day or next day. An email will be sent to the address you provide during checkout with tracking information once your order ships. Choosing expedited shipping does not guarantee it will leave our facility faster.
Sales Tax
Sales tax will be charged for residents of South Carolina.
Return Policy
All returns must have an RA (Return Authorization) number and will be charged a 15% restocking fee. Shipping is non-refundable unless we shipped you the incorrect item. No refunds will be issued after 30 days past the ship date.












