It is constructed from high grade tempered steel, This rear leaf spring has a 48-1/2" perch center, Will provide you with a 2.5" drop in ride height, Specifically designed for the 1928-1931 Ford Model A, Underside spring height measures 15.5" and has an overall width of 2.25" Posies Super Slide 29-31R Rear Leaf Spring, 28-31 Ford Model A Sku # 5802931 Mfr. Part # 29-31R Condition New Brand Posies Super Slide Springs Sold Each Details
This Posies Super Slide transverse rear leaf spring features a domed pocket at the end of each spring leaf which houses a moly-nylon button. The buttons reduce friction between the spring leaves resulting in a smooth, comfortable ride. This spring is computer designed to offer a lowered stance while maintaining proper load capabilities.
- Constructed from high grade tempered steel
- Natural finish
- 48-1/2" perch center
- 2.5" drop
- 15.50" underside spring height
- 2.25" overall width
- For 1928-31 Ford Model A
Specs Position Rear Leaf Spring Eye Type Reverse Eye Length Eye to Eye 39.5" Leaf Spring Width 2-1/4 Inch Spring Height (Underside) 15.5" Material Type Steel Finish Natural MFG. Part # 29-31R Sold in Quantity Each Reviews I would buy this again if needed. Rated by ? on February 27, 2023
Summary: Easy to install and lowered my car perferct.
Yes, I recommend this product.
Worth the wait due to covid, not Posie's or Speedway. Rated by RB35 on November 24, 2022
Summary: With reverse eyes, it was a challenge to install, but got it on.
Yes, I recommend this product.
Rear leaf Spring for Model A Rated by Herb on December 24, 2021
Summary: Will install to lower my 30 coupe. Have not installed it yet. After the holidays I'll get er done!Appears to be a good product
Yes, I recommend this product.
Yed Rated by Dan on January 10, 2019
Summary: Able to remove 2 leaves, for the height I desired, still plenty of spring.
Nice spring. Rated by Happy Sumberros on March 02, 2018
Summary: Quality Model A spring.
Yes, I recommend this product.
Related Items / Suggested Parts Speedway 2-1/4 Wide Nylon Spring Shackle Kit-Plain (Zinc) Finish-Pair Nylon Shackle Kits, 2-1/4 Inch Wide Spring Anti-Seize Lubricant, 1 oz Transverse Rear Leaf Spring Axle Mounting Brackets, Model T/Model A High Arch Transverse Rear Leaf Spring, 39 Inch Posies Super Slide 29-31R-C Narrowed Rear Leaf Spring, 28-31 Model A Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. 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.