This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

Looking to update that '67-'72 C10 truck with an LS swap? These motors mounts and transmission crossmember kit will make that modern powerplant and transmission fit like they came that way from the factory!

C10 LS Swaps Made Easy with Motor Mount and Transmission Crossmember Kits

Learn about the steps and tools necessary for a smooth chassis assembly for your sprint car.

Sprint Car Chassis Assembly

Learn how to assemble the front axle of a sprint car. See what tools are needed for assembly including an angle finder gauge tool and king pin reamer.

Assembling a Sprint Car Front Axle

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

Speedway Motors was selected by Arrow Electronics to prepare Sam Schmidt’s vehicles for Optima’s Ultimate Street Car Challenge where he will race for the first time since becoming a quadriplegic in 2000.

Team Speedway Prepares Arrow SAM Car for Optima’s Ultimate Street Car Challenge 

Today on our 410 sprint car, the guys are assembling the front axle. The process can be a bit messy, but the finished product is so worth it!

Front Axle Assembly - 410 Sprint Car Build

Follow Tim as he swaps tail housings and covers on a T-5 transmission

Speedway Tech Talk - Swapping Tail Housings and Covers on a T-5 Transmission 

Learn why Drag and Drive is one of the fastest growing drag racing events in the country!

Drag-and-Drive Events: America’s Fastest Street-Legal Cars

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

Engine Family Facets

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Oldsmobile Street Auto Trans Vacuum Modulators

Oldsmobile Street Auto Trans Control Units

Oldsmobile Street Auto Trans Overhaul Kits

Oldsmobile Street Torque Converter Hardware

Oldsmobile Street Auto Trans Valve Bodies

Oldsmobile Street Auto Trans Input Shafts

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Oldsmobile Street Auto Trans Sprag Assemblies

Oldsmobile Street Auto Trans Sprag Assemblies | Speedway Motors

Shop Oldsmobile Street Auto Trans Sprag Assemblies and get Free Shipping on orders over $175 at Speedway Motors.

Oldsmobile Street Auto Trans Sprag Assemblies

Model

Brand

Application

Transmission Family

Price

Products

TCI 373600 700R4/4L60E Forward 29-Element Sprag

TCI 373601 700R4/4L60E Low Roller Clutch

TCI 227900 TH400 34-Element Sprag

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