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Wilwood Caliper Piston Spring .77/1.22 ODx1.00

Marsoni M251S
Sale price$17.62
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Wilwood Caliper Piston Spring .77/1.22 ODx1.00Caliper Piston Knock Back Springs. Used in low brake pedal situations due to piston knock back caused by vibration, mount or spindle flex. Part # 300 2434 (1. 22 diameter) is used with Wilwoods conventional stainless steel pistons from 1. 62 to 1. 88 diameter. Spring use in stainless pistons require a relief cut not present in earlier versions of pistons. Please check your application before ordering.
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  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 836 reviews
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Verified Purchase
S. Ridgel
Cuba, US
★★★★★ 5
Chuck it!
Style: Recharges, Size: Medium
My Golden Doodle absolutely loves this ball. His new favorite!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
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Verified Purchase
Debbie
Lake Worth, US
★★★★★ 4
The glow doesn’t last long, not super bright.
Style: Recharges, Size: Medium
I charge my glow in the dark balls with a black light flashlight, this one was not very bright, and it did not hold the charge very long. Also, with it being green, it was hard for my dog to find in the grass.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
H
Verified Purchase
Hiker-A-Rama
Dallas, US
★★★★★ 5
Squeaks and glows
Style: Recharges, Size: Medium
Squeaks. Glows, and labs love them.
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Reviewed in the United States on January 19, 2026
M
Verified Purchase
Mustang_Mark
West Palm Beach, US
★★★★★ 3
good but no glow
Style: Recharges, Size: Medium
good ball but as others say, the glow in the dark really isn't there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
S
Verified Purchase
Steve just Steve
Massapequa, US
★★★★★ 5
Good grip glow ball
Style: Recharges, Size: Medium
Love this glow in the dark Chuck IT. Get a black light flashlight to charge the neon instantly. Good texture gives the dog better grip than the smooth all white glow in the dark chuck it balls.
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Reviewed in the United States on January 9, 2026

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