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COMP Cams Locks Eb Mach’D Steel 11/32in, 648-100

  • COMP Cams Valve LocksEb Mach Stl 7Deg S, 641-100
  • COMP Cams Locks Eb Mach’D Steel 11/32in, 648-100
  • COMP Cams Valve Lock 5/16in Single Groov, 600-1
  • COMP Cams Valve LocksEb Mach Stl 7Deg S, 641-100
  • COMP Cams Locks Eb Mach’D Steel 11/32in, 648-100
  • COMP Cams Valve Lock 5/16in Single Groov, 600-1
SKU:
1-171-648-100
Category:
Brand:
COMP Cams
Package Weight:
1 lbs
Package Dimensions:
4 × 2 × 2 in
UPC:

036584128175

MPN:

648-100

Price

Original price was: $177.99.Current price is: $169.95.

Quantity

- +

Total

Original price was: $177.99.Current price is: $169.95.

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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¢Â€Â™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 ¢Â€Âœcollet¢Â€Â effect that binds the two together. The more spring force exerted on the retainer (as the valve opens), the more force applied by the ¢Â€Âœcollet¢Â€Â 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¢Â„¢ without the need to change to 10 retainers.

Specifications for COMP Cams Locks Eb Mach’D Steel 11/32in
Lock Angle 7°
Valve Stem Size 11/32″
Vehicle Fitment for COMP Cams Locks Eb Mach’D Steel 11/32in:
+ Buick Commercial

  • 1994 Buick Commercial Chassis Base V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Buick Commercial Chassis Base V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Buick Commercial Chassis Base V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Buick Roadmaster

  • 1994 Buick Roadmaster Base V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Buick Roadmaster Base V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Buick Roadmaster Collector’s Edition V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Buick Roadmaster Estate Wagon V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Buick Roadmaster Estate Wagon V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Buick Roadmaster Estate Wagon Collector’s Edition V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Buick Roadmaster Limited V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Buick Roadmaster Limited V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Buick Roadmaster Limited Collector’s Edition V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Cadillac Commercial

  • 1994 Cadillac Commercial Chassis Base V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Cadillac Commercial Chassis Base V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Cadillac Commercial Chassis Base V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Cadillac Commercial Chassis Brougham V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Cadillac Commercial Chassis Brougham V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Cadillac Commercial Chassis Brougham V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Cadillac Fleetwood

  • 1994 Cadillac Fleetwood Base V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Cadillac Fleetwood Base V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Cadillac Fleetwood Base V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Cadillac Fleetwood Brougham V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Cadillac Fleetwood Brougham V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Cadillac Fleetwood Brougham V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Chevrolet Camaro

  • 1993 Chevrolet Camaro Indianapolis 500 Pace Car V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1993 Chevrolet Camaro Z28 V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Chevrolet Camaro Z28 V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Chevrolet Camaro Z28 V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Camaro Z28 V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1997 Chevrolet Camaro Z28 V8.-cc
    • 1997: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1997 Chevrolet Camaro Z28 30th Anniversary Edition V8.-cc
    • 1997: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1997 Chevrolet Camaro Z28 SS 30th Anniversary Edition V8.-cc
    • 1997: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Chevrolet Caprice

  • 1994 Chevrolet Caprice Classic V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Chevrolet Caprice Classic V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Caprice Classic V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Chevrolet Caprice Classic LS V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Chevrolet Corvette

  • 1993 Chevrolet Corvette 40th Anniversary Edition V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1992 Chevrolet Corvette Base V8.-cc
    • 1992: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1993 Chevrolet Corvette Base V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Chevrolet Corvette Base V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Chevrolet Corvette Base V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Corvette Base V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Corvette Collector’s Edition V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Corvette Grand Sport V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Chevrolet Corvette Indianapolis 500 Pace Car V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Chevrolet Impala

  • 1994 Chevrolet Impala SS V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Chevrolet Impala SS V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Chevrolet Impala SS V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
+ Pontiac Firebird

  • 1993 Pontiac Firebird Formula V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Pontiac Firebird Formula V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Pontiac Firebird Formula V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Pontiac Firebird Formula V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1997 Pontiac Firebird Formula V8.-cc
    • 1997: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1993 Pontiac Firebird Trans Am V8.-cc
    • 1993: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Pontiac Firebird Trans Am V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1995 Pontiac Firebird Trans Am V8.-cc
    • 1995: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1996 Pontiac Firebird Trans Am V8.-cc
    • 1996: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1997 Pontiac Firebird Trans Am V8.-cc
    • 1997: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;
  • 1994 Pontiac Firebird Trans Am GT V8.-cc
    • 1994: 7 deg. Lock Angle; 11/32 in. Valve Stem Size; Machined Steel; Single Groove; 100 pc.;

Additional information

Package Weight
1 lbs
Package Dimensions
4 × 2 × 2 in
UPC

036584128175

MPN

648-100

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