Shown here is our Comp Cams 10 degree "Super Locks." These are a huge, extremely beefy valve lock which has a wider angle of interference than a standard 7 degree lock. These are fully machined (not stamped) from a super tough fatigue resistant alloy. Comp recommends these for any cams over .460" lift (basically anything other than bone stock) but we feel they're absolutely necessary above .510" lift. These fit 11/32 valve stems, which can be found on most aftermarket aluminum heads (such as our Stealth heads or Edelbrock RPM's,) and they work great with our Comp "Super Lock" retainers, part number 145-1003 or 145-1006, which can be found on our Valve Retainers page. We highly recommend upgrading to these for extra insurance, and it's required if you will be running a cam over .510" lift. These are supplied in a set of 32, enough to do one complete engine. Since they're Comp, you can be assured of two things: They're 100% made in the USA, and the quality is second to none.
These are the 7 degree chrome moly steel case hardened valve locks which are supplied with our assembeled Stealth heads. Use as a service replacement part. Sold one pair (2 pieces) per package. These work with and 11/32" valves and 7 degree retainers.
Our single groove 7 degree locks are made from chrome-moly steel, case hardened and finished in black oxide for durability. These work with and 11/32" valves and 7 degree retainers. We offer them in either pairs or complete sets of 16.
This is a labor charge for us to remove and replace valve locks and retainers, valve springs, and/or valve seals on any of the cylinder heads we sell. This labor charge must be selected in the same order as the cylinder heads, along with the extra parts you want replaced, such as retainers, locks, springs, etc.
While supplies last, we have sets of our "Stealth Cylinder Head Valve Locks" available USED as a clearance item under this different part number. These are for 11/32" single groove valve stems. Most of these are from test engines and have very low hours on them. They may be oily and have carbon and/or some light wear markings on them, but otherwise should be in good shape. Prices are an amazing 50%-60% off of our retail. Get 'em while they last. NO RETURNS OR WARRANTIES on clearance items.
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