Manley NexTek Series Double w/o Damper 16pc Valve Springs 1.640 OD/.860 ID

Manley NexTek Series Double w/o Damper 16pc Valve Springs 1.640 OD/.860 ID

Marsoni

M251S

$202.85

Get it in 3 business days with 1 day shipping. Friday, May 29

Manley NexTek Series Double w/o Damper 16pc Valve Springs 1.640 OD/.860 IDFrom drag strips to short track and endurance circuits, the Manley NexTek series is engineered for serious racers. NexTek springs resist pressure loss and valve train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high RPM performance. Built to outperform and outlast in real world competition.

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I would give 5 stars, except I don't ever give 5. But these are 4.87. My feet don't like hard soles, but these boots are pretty comfy. I buy "dress" boots to ride a motorcycle, long story. My favorite was discontinued, and I dislike designer anything. But, these weren't toooo expensive, and turns out, they're comfortable enough, good-looking, and excellent for motorcycling.

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Reviewed in the United States on December 17, 2025

Verified Purchase

Washington Navarrete

Birmingham, US

★★★★★ 5

Great fit and super do

Size: 12, Color: Black

Comfortable boots and were true to size and even a little roomy. Would definitely recommend.

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Reviewed in the United States on January 12, 2026

Verified Purchase