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623-16 Competition Cams Valve Spring Lock Single Groove
623-16 Competition Cams Valve Spring Lock Single Groove

623-16 Competition Cams Valve Spring Lock Single Groove

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Your Price: $49.67 Free Shipping
These single groove Machined Steel Street Locks with 7 Degree lock angle and 8 Millimeter
RVA #: C5662316
Availability: In Stock

623-16 Competition Cams Valve Spring Lock

These single groove Machined Steel Street Locks with 7 Degree lock angle and 8 Millimeter Valve Stem size are perfect locks for GM Gen III/LS1/LS2/LS6 applications. It is critically important to make sure Valve locks match the Valve size. There should always be a small gap between the two halves of the lock when they are properly positioned on the Valve Stem. If the two halves fit together without a gap, they are too large. If the locks fit tight to the Stem and leave a gap between the middle of the lock and the Outer Diameter of the Stem, the locks are too small. Most people believe that the tang inside a Valve lock holds the retainer and Valve Spring in place while the Engine is running. This is not the case. The cross-section of material in the tang is not strong enough to withstand open Spring loads of 1000 Pounds or more. The sole purpose of the tang is to temporarily locate the lock, retainer and Spring relative to the Valve until the taper of the retainer can nest around the outside surface of the lock. This creates a “Collet” effect that binds the two together. The more Spring force exerted on the retainer (as the Valve opens), the more force applied by the “Collet” effect to keep the retainer and lock in place.



These Single Groove Machined Steel Street Locks With 7 Degree Lock Angle And 8 Millimeter Valve Stem Size Are Perfect Locks For GM Gen III/LS1/LS2/LS6 Applications

Limited 1 Year Warranty

Groove Type : Single Groove
Lock Angle : 7 Degree
Valve Stem Diameter (IN) : 0.314 Inch
Installed Height (IN) : Stock Installed Spring Height
Material : Machined Steel
Quantity : Set Of 16



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