Valve Locks

Manley Valve Lock/Keeper, LOC-10 DEG +.050 .3415.

Manley Valve Lock/Keeper, LOC-TI 10 DEG +.050 .3110.

Manley Valve Lock/Keeper, LOC-TI 10 DEG .3715.

Manley Valve Lock/Keeper, LOC-TI 10 DEG 8mm/.3135 .

Manley Valve Lock/Keeper, LOC-TI 10 DEG .3110.

Manley Valve Lock/Keeper, LOC-TI S7 .3415 +.050.

Manley Valve Lock/Keeper, LOC-TI S7 .3415 -.050.

Manley Valve Lock/Keeper, LOC-TI CAPT.3415 +.050.

Manley Valve Lock/Keeper, LOC-TI CAPTIVE .3415.

Titanium Set of 12 - 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess

Titanium Set of 12 - 10 Degree, 5/16", Single Groove Locks w/ Lash Cap Recess

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...

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...

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...

Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.This Part...