Speedway Motors GMC K25 T5 Parts

We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. We'll also walk you through choosing the correct parts in order to make this installation a breeze!

Check out these tips on T-5 transmissions!

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

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce a number of new products in their booth (#23791) at the 2025 SEMA Show Nov. 4-7 in Las Vegas, Nev.

Speedway Motors announced today a list of new products that will be debuted Nov. 2-6 during SEMA360.

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce new racing products in their booth (#4101) at the 2025 PRI Show Dec. 11-13 in Indianapolis, Ind.

Speedway Motors announced today they will debut new products and two new product lines in their booth (#23791) at the 2024 SEMA Show Nov. 5-8 in Las Vegas, Nev.

Speedway Motors announced today their continued partnership with Car Masters: Rust to Riches into Season 5 which was released on Netflix Dec. 13.

Speedway Motors celebrates more than 10 years of testing G-Comp Suspension with Team Speedway winning their first two events of the 2025 season.