1963-1977 Chevy Corvette Rear Leaf Spring 21-307
Leaf Spring 21-307 is the rear leaf spring on 1963-1977 Chevy Corvette cars. The rear spring is 2-1/4" wide and is a 9 (6/3), leaf spring. The capacity of this leaf spring is 1,360 lbs. and the OEM part number is 3977579. SEE DETAILS BELOW.
See return policy below
- Number of Leaves - 9 (6/3)
- Leaf Spring Width - 2-1/4"
- A - Leaf Spring Length: 24-5/16"
- B - Leaf Spring Length: 24-5/16"
- C - Leaf Spring Arch:
- D - Leaf Spring Pack Thickness: 2-1/8"
- Leaf Spring Capacity: 1,360 lb
- Leaf Spring OEM Number:3977579
- Leaf Spring Eye Bushings:
- Leaf Spring Material:
Leaf Spring 21-307 is the rear leaf spring on 1963-1977 Chevy Corvette cars. The rear spring is 2-1/4" wide and is a 9 (6/3) leaf spring. The capacity of this leaf spring is 1,360 lbs. and the OEM part number is 3977579. SEE DETAILS BELOW
Our products are shipped within 2-3 business days (Monday thru Friday) using the following carriers: UPS (United parcel Service), Fedex, and USPS (United States Postal Service). To return your product, you should mail your product to: Spring Works, 1000 Santa Rosa Ave, Santa Rosa, CA, 95402, United States.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live the time it may take for your exchanged product to reach you may vary.
If you are shipping an item over $50, you should consider using a trackable shipping service and purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
Delivery times are not guaranteed and requests for specific deliver times and days can not be guaranteed.
Cancellation of orders must be made by phone or email within 24 hours of the time the order in placed.
Sorry, but we cannot deliver to PO boxes or APO/FPO addresses and no items will be left without a signature. An adult age 18 or older must be home to sign for delivery.
In addition to the price of your purchases, Spring Works will charge you sales tax based on your shipping address and the sales tax rate in effect at the time your order is billed. If the sales tax rate for the state to which your order is being shipped changes before the product is shipped, the rate in effect at the time your order is invoiced will apply. The proof of purchase that Spring Works mails to you will include any applicable sales tax.
Spring Works makes every effort to ship your products promptly. If you have requested a complete shipment, please add 2 to 3 additional days for transportation and order consolidation processing.
Spring Works makes every effort to supply you with the products you order, but there may be occasions when Spring Works confirms orders but learns that it cannot supply the ordered products, either at all or in the quantities ordered. These occasions can include when Spring Works learns that the products no longer are being manufactured or they otherwise become unavailable to Spring Works, when Spring Works cannot source components for the configuration you ordered, or when there was a pricing error at www.springworks.com when you ordered. In those circumstances, Spring Works will contact you to inform you and, if you are interested, Spring Works may suggest alternative products that might meet your needs. If you do not wish to order alternative products, Spring Works will cancel your order for products Spring Works cannot supply and for any other products that you no longer wish to order as a result, and will refund your purchase price for those products.
Thank you for choosing to purchase your products at Spring Works!
Return & Refund Policy for Items Purchased Online
Our policy lasts 15 days. If 15 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original undamaged packaging. To complete your return, we require a receipt or proof of purchase.
A Return Material Authorization (RMA) is required for all returns. Please email firstname.lastname@example.org or call 800-827-2209 for an RMA.
Please do not send your purchase back to the manufacturer. Return your product to: Spring Works 1000 Santa Rosa Ave, Santa Rosa, CA, 95404, United States.
Return your item anytime from the date you purchase your item(s) within the time frame below:
Several types of goods are exempt from being returned. Labor, delivery, shipping and/or completed installation services cannot be returned. Items that have been damaged through misuse or abuse are not returnable.
Additional Non-Returnable items:
Custom Coil Springs
Custom Leaf Springs
All Other Custom Products
Items that are damaged during shipping to us
Products with damaged or missing original packaging
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at email@example.com and obtain a Return Material Authorization (RMA). Once you receive a RMA send your item to: Spring Works, 1000 Santa Rosa Ave, Santa Rosa, CA, 95404.
If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.
If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 3-5 business days.
We go to great lengths to assure that the item we ship is undamaged and functional. Restocking fees are generally used to deal with the costs incurred with your return. There is a 20% restocking fee for items returned that are not the result of our error on our part. Restocking fees are 20% of the actual product price plus all shipping charges.