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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
SuperPro 04-11 Mazda RX-8 Rear Differential Support Bushing Kit - Stainless HardwareSuperPro's rear differential center support bushing drastically reduces the deflection of the OEM rubber differential mount under changing loads especially rolling on and off the throttle. This offers benefits in throttle response and in manipulating the cars cornering attitude with the throttle as the car will react more quickly and directly to changes in throttle input. In addition the SPF3404 80K offers a vastly extended service life over the soft
SuperPro's rear differential center support bushing drastically reduces the deflection of the OEM rubber differential mount under changing loads - especially rolling on and off the throttle. This offers benefits in throttle response and in manipulating the cars cornering attitude with the throttle as the car will react more quickly and directly to changes in throttle input. In addition the SPF3404-80K offers a vastly extended service life over the soft rubber OEM piece backed by a lifetime warranty. As the higher durometer version of this kit the SPF3404-80K sharpens responses over the standard version but will come with a small increase in NVH due to the higher durometer material Looking for a more daily driver or street car-friendly version? See our SPF3404-70K; the lower durometer version of the rear center differential mount.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Cell Phone Gadgets!
Model: AMAZON EXCLUSIVE Silver Swirl
These little attractive suction backs for your cell phone are really cool! My granddaughter got some for Christmas and I thought they were the neatest thing to keep your phone handy and near by! They attach without glue to the back side of your phone and are quite strong, not to mention cute! (because of all the colors you can buy!) When I'm making a recipe I can stick my phone to any smooth surface and its all in front of me. Or just cooking and talking to a friend, on facetime. Leave it to our grandkids to show us all the latest and coolest ideas!
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Great product
Model: Hot Pink
Great product
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Very cute
Model: Chalk Pink
Super cute and works great
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Reviewed in the United States on May 17, 2026
★★★★★ 5
FUN and east to use
Model: Chalk Pink
Same as the picture, easy to use and sticks well on surfaces. Teen is enjoying it and now her friends are getting some too.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
It does what it says
Model: Chalk Pink
Works as described the suction works really well. It has really held up and was a decent price
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Reviewed in the United States on May 30, 2026