Valve Spring - Street Master - Single Spring / Damper - 357 lb/in Spring Rate - 1.180 in Coil Bind 1.250 in OD - Set of 16
Manley Performance is a brand specializing in high-performance engine components, known for its pistons, connecting rods, crankshafts, and valvetrain components. It was acquired by Race Winning Brands (RWB) in February 2020. RWB is a leading manufacturer of racing and high-performance parts. Manley's products are used in various motorsports, including domestic drag racing, sport compact, and diesel applications.
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