Here are some strong, affordable flexplates for you guys running 289/302/351W small block Ford engines. Built from high-tensile chromoly steel, these flexplates are SFI approved and .035" thicker than stock pieces.
Double welded ring gears will withstand the torque generated from high-stall converters, while the lightweight design promotes rapid engine response. The 157-tooth flywheels are available in 28 or 50 oz.
- SFI approved
- Direct bolt-on component
- Balanced and checked for runout
- Lightweight design for rapid engine response
- Constructed from a high tensile strength steel
I would buy this product again
Rated
by Tom on February 09, 2026
Summary: This is a good quality flex plate. Fit prefect can't wait for racing season
Yes, I recommend this product.
The flex plate I needed
Rated
by Robotguy on January 27, 2026
Summary: If you are putting a roller block in an older car with a C4 Trans, this is what you need.
Yes, I recommend this product.
Excellent products
Rated
by Glenn on December 13, 2025
Summary: Put the flex plate in a C4/ small block f100
Yes, I recommend this product.
Excellent 50 oz 157 tooth Flywheel!
Rated
by Kirbo66 on October 27, 2025
Summary: This Flexplate for the 50oz 157 tooth worked perfectly to run the 87-93 Ford 5.0 with a C4 auto. The Flexplate was well made and mounted up perfectly. I would definitely buy it again!
Yes, I recommend this product.
Flex plate
Rated
by Red on December 12, 2024
Summary: Part was a direct fit .worked great
Yes, I recommend this product.
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted
source for specialty rodding and racing products and friendly expert
advice for more than 74 years. Founded in 1952 by “Speedy” Bill
Smith – a racer and street rodder himself – Speedway has grown from a
one-man operation to become the world’s largest manufacturer, distributor
and retailer of street rod and racing products. Our industry-leading
fast delivery is the result of same-day shipping from our state-of-the-art,
centrally located 500,000 sq. ft. headquarters. Speedway’s size offers
customers unmatched product selection and low pricing, while our excellent
technical support and customer service have made us a recognized leader
in the rodding and racing industries.