


EXT SHOCK SPRING C SERIES
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
EXT SHOCK SPRING C SERIESSuper Alloy Spring (proprietary super light design) Extreme Linear Ratio Hard Epoxy Coating Internal Diameter: 38. 5 mm The lightest steel springs on the market Developed in our automotive racing programs First dedicated to fine tuning with 25lbs increments Adaptable for all type of dampers in the market Life duration: over 500. 000 cycles Note: 650, 700, 750 and 800lbs in springs come with machined collars to enable them to be fitted to the standard
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
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Product Reviews
★★★★★ 4
Great product but screws are annoying
Size: 6 pairs
These 24K gold-plated banana plugs are a solid choice if you’re looking for an easy and reliable way to connect your speaker wire. The connectors feel sturdy, and the gold plating gives them a clean, professional look while also helping prevent corrosion.
Installation was straightforward — the wire slots fit snugly, and once tightened down, the connection feels secure. I used them for both my home theater and stereo setup, and the sound quality is clear with no noticeable interference or loss.
The pack includes 6 pairs (12 plugs), which is plenty for most speaker setups, and they fit my receiver and speaker terminals perfectly.
My only small complaint is that the screws could be a bit tighter or smoother when clamping the wire — you just need to make sure they’re seated properly to get the best hold. Still, once installed, they stay firmly in place.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Excellent product
Size: 6 pairs
Excellent product
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Works great with all speaker wires
Size: 6 pairs
It works pretty well with standard and thin speaker wires. It makes so much easier to plug and unplug speaker wires. Color coded makes it easier for future. Banana plugs are worth. Double screws ensure wires remain securely attached. Screws are bit too tiny and had to run to the store to get one of those fine tip screw driver though.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Good connection
Size: 6 pairs
Seem to work fine
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Let’s get wired up
Size: 12 pairs
This package arrived on time very easy to use and install made hook up to my new amp so much easier
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Reviewed in the United States on March 28, 2026