Winters Performance quick change gear sets. Available in several set numbers to custom match your project and dial in your perfect gear ratio. Gear sets are REM finished for reduced frictions, lower temperatures, and extended life.
8620 Steel. Heat Treated. REM Finished. CNC Machined. 10 spline. 1-3/8" Width.
Winters 8540 10 Spline Quick Change Gear Set #40, 19/31 Teeth
Sku # 8028500-40
Mfr. Part # 8540R
Details
Winters Performance quick change gear sets. Available in several set numbers to custom match your project and dial in your perfect gear ratio. Gear sets are REM finished for reduced frictions, lower temperatures, and extended life.
- 8620 Steel
- Heat Treated
- REM Finished
- CNC Machined
- 10 spline
- 1-3/8" Width
Specs
Minor Spline Diameter
1.10"
Major Spline Diameter
1.25"
Centerline of Holes
3.50"
Reviews
Great
Rated
by D on March 07, 2026
Summary: As advertised
Yes, I recommend this product.
I would buy these again
Rated
by BR on February 03, 2026
Summary: Great value!
Yes, I recommend this product.
Yes
Rated
by Jim on December 26, 2025
Summary: Speedway is always fast and reliable
Yes, I recommend this product.
Great gear set
Rated
by Red on December 24, 2025
Summary: Highly recommend, would buy again. Quality in every box
Yes, I recommend this product.
Yes
Rated
by Jim on December 18, 2025
Summary: Great product
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.