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COMP Cams 612-16

Super Valve Locks Angle: 10°



COMP Cams 612-16

Part Number: 249-612-16

Super Valve Locks
  • Angle: 10°
  • Valve Stem: 3/8"
  • w/Lash Cap Recess
  • 16/pkg
  • $25.27
    Ships
    COMP Cams 612-16 Super Valve Locks Angle: 10° $25.27

    COMP Cams 612-16 Details

    Super Locks

  • 10° lock angle

  • Wider Angle
  • Precision Machined
  • Super Tough
  • Inside Tang
  • 1 Year Limited Warranty

  • Specifications:

    Lock Angle
    10 Deg.
    Lock Groove Quantity
    1-groove
    Lock Material
    Hardened steel
    Lock Style
    10 degree
    Manufacturing Process
    Machined
    Quantity
    Sold as a set of 32
    Recessed for Lash Cap
    Yes
    Valve Stem Diameter (in.)
    0.372
    Manufacturer's Part Number:
    612-16

    Most people believe that the tang inside a valve lock is what holds the valve spring retainer and spring in place while the engine is running, however tangs are not strong enough to withstand today's open spring loads of 1000+ pounds. The tang's sole purpose 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 the "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 5/16", 11/32", and 3/8", it is important to make sure valve locks match 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 are in contact without a gap, the valve locks are for a bigger stem. If the locks fit tight to the stem and leave a gap between the middle of the lock and the stem's outer diameter, the locks are too small for the valves. All locks should be checked before final installation to ensure they're the correct size.

    Comp Cams 7° Street Valve Locks are made from stamped, hardened steel. Designed for stock engine rebuilds and only recommended for street use with lighter spring loads. The 7° Race Valve Locks are available in Machined Steel or Titanium. They offer the same valve spring location accuracy as the 10° Super Locks, without the need to change to 10° retainers. Comp Cams 10° Super Locks handle higher spring pressures by distributing load over a larger area. This reduces the chance of a "pull-through" failure. Recommended for all race applications.

    Does COMP Cams 612-16 fit your vehicle?

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    1997-1999 GMC K2500 PICKUP

    • Fitment_Note: Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: SIERRA SL
    • EngineType: V8

    1996 GMC SAVANA 3500

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1969 FORD RANCHERO

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: GT
    • EngineType: V8

    1970 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1968 MERCURY COLONY PARK

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 390
    • EngineType: V8

    1967 FORD GALAXIE

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 427
    • EngineType: V8

    1973 CHEVROLET CHEVELLE

    • Liter: 7.4
    • EngineType: V8
    • SubModel: DELUXE

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1994-1995 CHEVROLET C2500 PICKUP

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: WT
    • EngineType: V8

    1972-1976 FORD GRAN TORINO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1971-1972 AMERICAN MOTORS HORNET

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8

    1975 JEEP J20

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET LAGUNA

    • Liter: 7.4
    • EngineType: V8
    • SubModel: ESTATE

    1974 GMC K25/K2500 SUBURBAN

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8

    1970-1972 CHEVROLET C10 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1974 CHEVROLET BEL AIR

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1969-1974 FORD F-250

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: BASE
    • EngineType: V8

    1979-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: SILVERADO

    1983 JEEP CHEROKEE (SJ)

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: PIONEER

    1973-1974 CHEVROLET CAPRICE

    • Liter: 7.4
    • EngineType: V8
    • SubModel: ESTATE

    2001-2002 CHEVROLET SILVERADO 3500

    • Fitment_Note: 50-State Legal
    • Liter: 8.1
    • SubModel: LS
    • EngineType: V8

    1979-1986 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1996 CHEVROLET G30 VAN

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: CHEVY VAN
    • EngineType: V8

    1966-1967 MERCURY MONTEREY

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1969 CHEVROLET C20 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1976-1978 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CHEYENNE

    1963-1967 FORD GALAXIE

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1969 MERCURY MONTEGO

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: MX
    • CUI: 428
    • EngineType: V8

    1973 GMC JIMMY

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8

    1974 CHEVROLET MALIBU

    • CC: 7441
    • Liter: 7.4
    • SubModel: ESTATE
    • EngineType: V8

    1968 FORD RANCHERO

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • Aspiration: N
    • SubModel: GT
    • Engine Vin: Y
    • CUI: 390
    • EngineType: V8

    1963 FORD FAIRLANE

    • Liter: 5.8
    • EngineType: V8
    • SubModel: BASE

    1968-1970 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: MALIBU

    1971 AMERICAN MOTORS HORNET

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: SC/360
    • CUI: 360
    • EngineType: V8

    1968 MERCURY MONTEREY

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8

    1964 FORD COUNTRY SQUIRE

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1968-1969 CHEVROLET CAPRICE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1969 CHEVROLET CAMARO

    • Liter: 7.0
    • EngineType: V8
    • SubModel: BASE

    1996 GMC G35/G3500 VAN

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: VANDURA SPECIAL
    • EngineType: V8

    1969 FORD GALAXIE 500

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8

    1970-1971 CHEVROLET CAMARO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SS

    1968 FORD COUNTRY SEDAN

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1971-1976 FORD CUSTOM 500

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1966 FORD CUSTOM 500

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1970 MERCURY MARQUIS

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BROUGHAM
    • Engine Vin: X
    • CUI: 390
    • EngineType: V8

    1989 CHEVROLET R2500 PICKUP

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • EngineType: V8

    1970 FORD MUSTANG

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8

    1975-1976 CHEVROLET IMPALA

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET LAGUNA

    • EngineType: ALL
    • SubModel: TYPE S-3

    1991-1993 GMC K2500 PICKUP

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • SubModel: SIERRA
    • EngineType: V8

    1976 FORD F-150

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1972-1974 CHEVROLET CORVETTE

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1993 CHEVROLET K2500 SUBURBAN

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: SLE
    • EngineType: V8

    1970 AMERICAN MOTORS HORNET

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: SST

    1970-1971 CHEVROLET CORVETTE

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1968 AMERICAN MOTORS AMBASSADOR

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: SST
    • CUI: 390
    • EngineType: V8

    1975 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: ESTATE WAGON
    • CUI: 454
    • EngineType: V8

    1970-1971 CHEVROLET MONTE CARLO

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1967 FORD CUSTOM 500

    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1970 CHEVROLET IMPALA

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1974 CHEVROLET MALIBU

    • Liter: 7.4
    • SubModel: ESTATE
    • CUI: 454
    • EngineType: V8

    1968 GMC K25/K2500 SUBURBAN

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1973-1974 CHEVROLET G10 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1996 GMC K2500 PICKUP

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: SIERRA SLE
    • EngineType: V8

    1964-1967 FORD CUSTOM

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1968-1969 AMERICAN MOTORS AMBASSADOR

    • Fitment_Note: 50-State Legal
    • Liter: 4.7
    • SubModel: BASE
    • EngineType: V8

    1996-1998 CHEVROLET K2500 PICKUP

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: CHEYENNE
    • EngineType: V8

    1969 CHEVROLET C20 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1976 JEEP J20

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: BASE

    1975-1981 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CHEYENNE

    1968-1969 CHEVROLET C10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1969 CHEVROLET C20 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1994-1995 CHEVROLET C2500 PICKUP

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1968-1971 AMERICAN MOTORS JAVELIN

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: SST

    1969 MERCURY COUGAR

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: XR-7
    • CUI: 390
    • EngineType: V8

    1972-1975 AMERICAN MOTORS GREMLIN

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: BASE

    2002-2003 CHEVROLET AVALANCHE 2500

    • Fitment_Note: 50-State Legal
    • Liter: 8.1
    • SubModel: BASE
    • CUI: 496
    • EngineType: V8

    1997-1999 GMC C3500 PICKUP

    • Fitment_Note: Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: SIERRA SLE
    • EngineType: V8

    1994-1995 GMC K2500 SUBURBAN

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • SubModel: SLE
    • EngineType: V8

    1975 GMC C25/C2500 PICKUP

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1972-1976 FORD TORINO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1994-1995 GMC C3500 PICKUP

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • SubModel: SIERRA SL
    • EngineType: V8

    1996 GMC SAVANA 3500

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~Most Aluminum Heads Come Standard w/11/32 Valve Stems~Use Appropriate Valve Locks - Retainers And Seals
    • Liter: 7.4
    • SubModel: SLE
    • EngineType: V8

    1964-1966 FORD FAIRLANE

    • Fitment_Note: 50-State Legal
    • Liter: 5.8
    • SubModel: 500
    • EngineType: V8

    1968 MERCURY MONTCLAIR

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 390
    • EngineType: V8

    1990-1993 CHEVROLET C1500 PICKUP

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: WT
    • EngineType: V8

    1979-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1968-1969 AMERICAN MOTORS AMBASSADOR

    • Fitment_Note: 50-State Legal
    • Liter: 4.7
    • SubModel: SST
    • EngineType: V8

    1968 GMC K25/K2500 PICKUP

    • Fitment_Note: Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1976 FORD F-100

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1973 CHEVROLET BLAZER

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1966-1967 MERCURY PARK LANE

    • Liter: 6.7
    • EngineType: V8
    • SubModel: BASE

    1968-1969 MERCURY MONTEGO

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1990 CHEVROLET V2500 SUBURBAN

    • Fitment_Note: 50-State Legal~Use Appropriate Valve Locks; Retainers; Seals
    • Liter: 7.4
    • SubModel: SILVERADO
    • EngineType: V8

    1969 AMERICAN MOTORS RAMBLER

    • Fitment_Note: 50-State Legal
    • Liter: 4.7
    • SubModel: ROGUE
    • EngineType: V8

    1967 FORD LTD

    • CC: 6392
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • EngineType: V8

    1968-1969 CHEVROLET C10 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1968 FORD COUNTRY SQUIRE

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1977 AMERICAN MOTORS HORNET

    • Fitment_Note: 50-State Legal
    • EngineType: V8
    • SubModel: AMX

    1989-1995 GMC G35/G3500 VAN

    • Fitment_Note: 50-State Legal~Truck Motors Have .400 in. Taller Block~Use Appropriate Valve Locks; Retainers; Seals~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 7.4
    • SubModel: RALLY
    • EngineType: V8
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