Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)

Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)

Marsoni

M251S

$198.81

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

Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)From 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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Reviewed in the United States on March 18, 2026