Looking for aftermarket parts to modify or upgrade your Chevrolet Impala with valve locks? At Tunersports.com we carry a huge selection of the top name brand performance valve lock parts and accessories.

IN STOCK - DROPSHIPS 648-16Includes 16 Pairs of Machined Steel Race Locks: 1 Groove, 7°... COMP Cams Locks MachD Steel 11/32in 7De - Set of 16 1994-1996 Chevrolet Impala SS $64.80 |

IN STOCK - DROPSHIPS 601-12Includes 12 Pairs of hardened Steel Street Locks: 1 Groove, 7°... COMP Cams Valve Locks 11/32in Single Groove 1963-1973 Chevrolet Impala Base 1964-1967 Chevrolet Impala SS 1977-1977 Chevrolet Impala Custom 1977-1979 Chevrolet Impala Base / Landau 1979-1979 Chevrolet Impala Sport 1985-1985 Chevrolet Impala Base $55.52 |
IN STOCK - DROPSHIPS 601-16Includes 16 Pairs of hardened Steel Street Locks: 1 Groove, 7°... COMP Cams Valve Locks 11/32in Single Groove 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $64.21 |
IN STOCK - DROPSHIPS 603-16Includes 16 Pairs of hardened Steel Street Locks: 1 Groove, 7°... COMP Cams Valve Locks 3/8in Single Groove 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $74.38 |
IN STOCK - DROPSHIPS 611-12These Steel Super Locks featuring a lash cap recess, 10°... COMP Cams Super Valve Locks 11/32in 1963-1973 Chevrolet Impala Base 1964-1967 Chevrolet Impala SS 1977-1977 Chevrolet Impala Custom 1977-1979 Chevrolet Impala Base / Landau 1979-1979 Chevrolet Impala Sport $52.57 |
IN STOCK - DROPSHIPS 611-16These Steel Super Locks featuring a lash cap recess, 10°... COMP Cams Super Valve Locks 11/32in 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $64.22 |
IN STOCK - DROPSHIPS 612-16retainer.... COMP Cams Super Valve Locks 3/8in 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $63.95 |
IN STOCK - DROPSHIPS 613-16These Steel Super Locks without a lash cap recess features a 10°... COMP Cams Super Valve Locks 11/32in Non 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $63.95 |
IN STOCK - DROPSHIPS 616-16retainer.... COMP Cams Super Valve Locks +.050 3/8in 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $65.20 |
IN STOCK - DROPSHIPS 623-12Angle, 8mm StemThese single groove Machined Steel Street Locks with 7°... COMP Cams Valve Locks Hi Perf GM 3800 V 2000-2005 Chevrolet Impala Base / LS 2003-2003 Chevrolet Impala LS Sport 2004-2005 Chevrolet Impala SS $63.24 |
IN STOCK - DROPSHIPS 623-16Angle, 8mm StemThese single groove Machined Steel Street Locks with 7°... COMP Cams Valve Locks Hi Perf For GM LS 2006-2007 Chevrolet Impala SS $71.62 |

IN STOCK - DROPSHIPS 601-1Includes 1 Pair of hardened Steel Street Locks: 1 Groove, 7°... COMP Cams Valve Lock 11/32in Single Groove 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $29.30 |
IN STOCK - DROPSHIPS 603-1Includes 1 Pair of hardened Steel Street Locks: 1 Groove, 7°... COMP Cams Valve Lock 3/8in Single Groove 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $30.07 |
IN STOCK - DROPSHIPS 611-1This Steel Super Lock featuring a lash cap recess, 10°... COMP Cams Super Valve Lock 11/32in 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $28.60 |
IN STOCK - DROPSHIPS 611-100Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.... COMP Cams Super Valve Locks Eb 11/32in - Set of 100 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $203.46 |
IN STOCK - DROPSHIPS 612-1retainer.... COMP Cams Super Valve Lock 3/8in 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $28.60 |
IN STOCK - DROPSHIPS 612-4COMP Cams Super Valve Locks 3/8in 1980-1980 Chevrolet Impala Sport 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate $34.35 |
IN STOCK - DROPSHIPS 613-1This Steel Super Lock without a lash cap recess features a 10°... COMP Cams Super Valve Lock 11/32in Non R 1959-1985 Chevrolet Impala Base 1964-1967 Chevrolet Impala SS 1975-1976 Chevrolet Impala Sport 1975-1977 Chevrolet Impala Custom 1976-1976 Chevrolet Impala Custom Landau / S 1977-1979 Chevrolet Impala Landau 1979-1980 Chevrolet Impala Sport 1981-1982 Chevrolet Impala Estate $28.60 |
IN STOCK - DROPSHIPS 613-100Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.... COMP Cams Super Valve Locks Eb 11/32in N - Set of 100 1959-1985 Chevrolet Impala Base 1964-1967 Chevrolet Impala SS 1975-1976 Chevrolet Impala Sport 1975-1977 Chevrolet Impala Custom 1976-1976 Chevrolet Impala Custom Landau / S 1977-1979 Chevrolet Impala Landau 1979-1980 Chevrolet Impala Sport 1981-1982 Chevrolet Impala Estate $203.46 |
OUT OF STOCK 616-1retainer.... COMP Cams Super Valve Lock +.050 3/8in 1965-1967 Chevrolet Impala SS 1965-1976 Chevrolet Impala Base 1975-1976 Chevrolet Impala Custom / Sport 1976-1976 Chevrolet Impala Custom Landau / S $28.60 |
$29.15 |
IN STOCK - DROPSHIPS 648-1Includes 1 Pair of Machined Steel Race Locks: 1 Groove, 7°... COMP Cams Lock MachD Steel 11/32in 7Deg 1994-1996 Chevrolet Impala SS $28.19 |
IN STOCK - DROPSHIPS 648-100Most 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... COMP Cams Locks Eb MachD Steel 11/32in - Set of 100 1994-1996 Chevrolet Impala SS $191.76 |