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2011 - Crane Cams

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VALVE TRAIN<br />

Valve Stem Locks<br />

Stamped Steel Locks 7° Single Groove Design<br />

These valve stem locks are manufactured from premium quality alloy steel, precision diestamped<br />

and then heat treated for maximum strength. These locks are considerably stronger<br />

than stock, and are excellent for all street-performance and moderate racing engine applications.<br />

Description Part No.<br />

For 11/32” diameter Valve Stems (Black) 99041-1<br />

For 3/8” diameter Valve Stems (Blue) 99042-1<br />

Machined Steel Locks 7° Single Groove Design<br />

The ultimate in strength and wear resistance. These locks are machined from highest quality<br />

alloy steel billet material using the finest automatic screw machines and then carefully heat<br />

treated. Engineered specifically for today’s high engine speeds and high-tension valve springs.<br />

These machined steel locks are the only locks to be used with our “Posi Lock” valve spring<br />

retainers. Oxide finished for corrosion protection, and color coded for assembly height identification.<br />

Description Part No.<br />

For 5/16” diameter Valve Stems (Black) 99091-1<br />

For 11/32” diameter Valve Stems +.050” installed height (Yellow) 99095-1<br />

For 11/32” diameter Valve Stems standard height (Black) 99097-1<br />

For 11/32” diameter Valve Stems -.050” installed height (Silver) 99096-1<br />

For 3/8” diameter Valve Stems +.050” installed height (Yellow) 99099-1<br />

For 3/8” diameter Valve Stems standard height (Black) 99098-1<br />

For 3/8” diameter Valve Stems -.050” installed height (Silver) 99089-1<br />

Machined Steel Locks 7° Single Bead Design<br />

These machined steel locks are precision machined and heat treated in our own facility for the<br />

latest generation of engine technology. Although primarily designed for the Chevrolet LS1/LS2/<br />

LS6 families, they are also applicable to most valve stems that require a bead-style valve lock.<br />

Description Part No.<br />

For 8 mm Valve Stems (standard OEM dimension) 99108-1<br />

For 8 mm Valve Stems increased O.D. (Multi Fit) 99107-1<br />

Multi-Fit Valve Stem Locks 7° Single Groove Design<br />

Our steel billet heat treated Multi-Fit locks feature an increased outside diameter for additional<br />

strength, durability and fatigue resistance. These Multi-Fit locks are highly recommended for<br />

any high RPM, high valve spring tension, or heavy valve application prone to lock distortion<br />

and retainer pull-through. The 7° taper actually provides more clamping force than wider 10°<br />

taper locks and are the preferred choice of professional engine builders and racers. (Use only<br />

with <strong>Crane</strong> Multi-Fit retainers).<br />

Description Part No.<br />

For 5/16” diameter Valve Stems +.050” installed height (Yellow) 99085-1<br />

For 5/16” diameter Valve Stems standard height (Green) 99093-1<br />

For 5/16” diameter Valve Stems -.050” installed height (Silver) 99086-1<br />

For 11/32” diameter Valve Stems +.050” installed height (Yellow) 99087-1<br />

For 11/32” diameter Valve Stems standard height (Green) 99094-1<br />

For 11/32” diameter Valve Stems -.050” installed height (Silver) 99088-1<br />

For 3/8” diameter Valve Stems +.050” installed height (Yellow) 99099-1<br />

For 3/8” diameter Valve Stems standard height (Black) 99098-1<br />

For 3/8” diameter Valve Stems -.050” installed height (Silver) 99089-1<br />

360<br />

CRANECAMS.COM<br />

NOTE: This design lock is packaged with all <strong>Crane</strong> “Posi-Stop”<br />

Titanium Retainers.<br />

NOTE: <strong>Crane</strong> Locks are color coded for easier identification.<br />

Section Continued

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