The BTR .625" Lift Beehive Valve Spring Kit (BTRBTR-SK018) is engineered for high-performance applications in GM LS-series engines. This budget-friendly valve spring kit is designed for camshafts with less than .625" valve lift, making it ideal for street applications.
Key Features:
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Engine Compatibility: GM LS-series engines (Gen III/IV)
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Spring Type: Single Beehive design
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Maximum Valve Lift: 0.625"
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Spring Specifications:
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125 lbs @ 1.800"
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350 lbs @ 1.200"
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365 lbs @ 1.175"
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Coil bind at 1.100"
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Dimensions:
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Top I.D.: 0.645"
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Top O.D.: 1.020"
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Bottom I.D.: 0.9115"
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Bottom O.D.: 1.285"
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Included Components:
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16 SP018-1 valve springs
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1 VS LS KIT valve seal set
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1 SL505045BH-16 spring locator set (0.045" thickness)
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Retainers & Locks: Not included; designed to use factory retainers and locks
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Note: Cannot be used with OEM hat-style valve seals; must use included seals