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Conical Valve Spring Kit for Ford 7.3L Godzilla Engine; COMP Cams Conical Valve Spring Kits for Ford 7.3 Godzilla engines use round wire designed to increase valve train RPM, reduce resonance, and decrease spring oscillations, while providing .675" of lift. They use chromemoly steel retainers.

.630" Lift Conical Spring Kit for '09-'18 Dodge 5.7L HEMI; Designed for '09-'18 Dodge 5.7L HEMI, this Conical Spring Kit includes steel retainers, valve locks, seals and seats that require no machine work. Capable of 0.630" valve lift, this kit removes the guesswork for your HEMI engine.

.630" Lift Conical Spring Kit w/ Ti Retainers for '09-'18 Dodge 5.7L HEMI; Designed for '09-'18 Dodge 5.7L HEMI, this Conical Spring Kit includes titanium retainers, valve locks, seals and seats that require no machine work. Capable of 0.630" valve lift, this kit removes the guesswork for your HEMI engine.

.660" Lift Conical Spring Kit for '09-'18 Dodge 5.7L HEMI; Designed for '09-'18 Dodge 5.7L HEMI, this Conical Spring Kit includes steel retainers, valve locks, seals and seats that require no machine work. Capable of 0.660" valve lift, this kit removes the guesswork for your HEMI engine.

.660" Lift Conical Spring Kit w/ Ti Retainers for '09-'18 Dodge 5.7L HEMI; Designed for '09-'18 Dodge 5.7L HEMI, this Conical Spring Kit includes titanium retainers, valve locks, seals and seats that require no machine work. Capable of 0.660" valve lift, this kit removes the guesswork for your HEMI engine.

Conical Valve Spring Kit for GM L83/L86/LT1/LS7 w/ Titanium Retainers; The .675" Lift Conical Spring Kit with Titanium Retainers for GM LT1/LS7 Applications allows users to easily install revolutionary Conical Valve Springs on any high performance GM LT1/LS7 engine.

Conical Valve Spring Kit for GM L83/L86/LT1/LS7 w/ Tool Steel Retainers; The .675" Lift Conical Spring Kit with Tool Steel Retainers for GM LT1/LS7 Applications allows users to easily install revolutionary Conical Valve Springs on any high performance GM LT1/LS7 engine.

Conical Valve Spring Kit for GM LS1, LS2 and LS3 w/ Tool Steel Retainers; The .675" Lift Conical Spring Kit with Tool Steel Retainers for GM LS1/LS3 allows users to easily install revolutionary Conical Valve Springs on any high performance GM LS1/LS3 engine.