COMP Cams Hardened Steel Street Locks; Single Groove; 8 Pieces CHEVROLET CHEVY II


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Part #: 601-8
Notes: Hardened Steel Street Locks
Single Groove
8 Pieces
Your Price: $10.77

Specs

Lock Angle
Valve Stem Size 11/32"

All Fitments

BUICK
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1982 - 1982 CENTURY ALL L4 2.5 ALL ALL ALL
1980 - 1981 SKYLARK ALL L4 2.5 ALL ALL ALL
CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1982 - 1986 CAMARO ALL L4 2.5 ALL ALL ALL
1962 - 1968 CHEVY II ALL L4 2.5 ALL ALL ALL
1980 - 1981 CITATION ALL L4 2.5 ALL ALL ALL
1978 - 1980 MONZA ALL L4 2.5 ALL ALL ALL
1969 - 1969 NOVA ALL L4 2.5 ALL ALL ALL
OLDSMOBILE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1982 - 1982 CUTLASS CIERA ALL L4 2.5 ALL ALL ALL
1980 - 1981 OMEGA ALL L4 2.5 ALL ALL ALL
1978 - 1980 STARFIRE ALL L4 2.5 ALL ALL ALL
PONTIAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1982 - 1982 6000 ALL L4 2.5 ALL ALL ALL w/ 5 Engine VIN;
1982 - 1982 6000 ALL L4 2.5 ALL ALL ALL w/ R Engine VIN;
1983 - 1989 6000 ALL L4 2.5 ALL ALL ALL
1977 - 1977 ASTRE ALL L4 2.5 ALL ALL ALL
1984 - 1988 FIERO ALL L4 2.5 ALL ALL ALL
1982 - 1986 FIREBIRD ALL L4 2.5 ALL ALL ALL
1985 - 1989 GRAND AM ALL L4 2.5 ALL ALL ALL
1977 - 1984 PHOENIX ALL L4 2.5 ALL ALL ALL
1977 - 1980 SUNBIRD ALL L4 2.5 ALL ALL ALL
1977 - 1977 VENTURA ALL L4 2.5 ALL ALL ALL

Product Description

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 lbs. 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.

With the emergence of valve sizes other than the standard 5/16”, 11/32” and 3/8”, it is important to make sure the 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 O.D. of the stem, the locks are too small.

Our line of stock replacement 7° valve locks for stock engine rebuilds are recommended only for street applications with lighter valve spring loads and are stamped and hardened for superior wear resistance. Also available are machined 7° locks and titanium Super 7º Locks for some applications. They offer the same valve spring location accuracy as our Super Locks™ without the need to change to 10° retainers.

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