COMP Cams Valve Locks 11/32in Single Groove - 601-8

Hardened Steel Set of 8 - 7 Degree, 11/32", Single Groove Street LocksCatalogUser 1

COMP Cams Valve Locks 3/8in 2 Groove - 602-12

Hardened Steel Set of 12 - 7 Degree, 3/8", 2 Groove Street Locks for ChryslerCatalogUser 1

COMP Cams Valve Locks 3/8in 2 Groove - 602-16

Hardened Steel Set of 16 - 7 Degree, 3/8", 2 Groove Street Locks for ChryslerCatalogUser 1

COMP Cams Valve Locks 3/8in Four Groove - 604-12

Hardened Steel Set of 12 - 7 Degree, 3/8", 4 Groove Street Locks for ChryslerCatalogUser 1

COMP Cams Valve Locks 3/8in Four Groove - 604-16

Hardened Steel Set of 16 - 7 Degree, 3/8", 4 Groove Street Locks for ChryslerCatalogUser 1

COMP Cams Valve Locks 3/8in Single Groove - 603-12

Hardened Steel Set of 12 - 7 Degree, 3/8", Single Groove Street LocksCatalogUser 1

COMP Cams Valve Locks 3/8in Single Groove - 603-16

Hardened Steel Set of 16 - 7 Degree, 3/8", Single Groove Street LocksCatalogUser 1

COMP Cams Valve Locks 5/16in 7Deg - 628-16

Machined Steel Set of 16 - 7 Degree, 5/16", Single Groove Race LocksCatalogUser 1

COMP Cams Valve Locks 5/16in Single Groove - 600-12

Hardened Steel Set of 12 - 7 Degree, 5/16", Single Groove Street LocksCatalogUser 1

COMP Cams Valve Locks 5/16in Single Groove - 600-16

Hardened Steel Set of 16 - 7 Degree, 5/16", Single Groove Street LocksCatalogUser 1

COMP Cams Valve Locks 7 Deg W/5.5MM Ste - 629-16

Machined Steel Set of 16 - 7 Degree, 5mm, Single Groove Race LocksCatalogUser 1

COMP Cams Valve Locks 7 Deg W/5.5MM Ste - Set of 100 - 629-100

Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case. The cross-section of material in the tang is not strong enough to withstand open spring loads of 1000...