Dorman Timing Cover Timing Mark

SKU: 1GCPK | MPN:  635-550
Only 1 unit left
Sale price$21.80 USD

Fine tune your vehicles engine with Dorman's direct replacement Engine Timing Tabs. Our timing tabs are bolt on, allowing you to reuse existing timing cover bolts for a complete and convenient repair. Additionally, Dorman Engine Timing Tabs are easy to install, made from quality materials and help restore proper adjustment of the vehicle's engine.

  • Direct replacement for a proper fit every time
  • Reduce Repair Costs - Replace the failed original timing tab, instead of the entire timing cover assembly, saving time, money and labor
  • Constructed of steel material for durability
  • Dorman Timing Covers also available, sold separately


Product Specifications

Color: Chrome
Grade Type: Standard
Indicator Markings: Yes
Length: 3.75 In.
Material: Steel
Mount Hole Diameter: 0.267 In.
Mount Hole Quantity: 2
Mounting Hardware Included: No
Package Contents: 1 Timing Mark
Package Quantity: 1
Packaging Type: Box
Selling Package Quantity UOM: Piece
Thickness: 0.042 In.
Universal Or Specific Fit: Specific Fit
Width: 1.75 In.

Application Summary: Chevrolet 1990-66, GMC 1990-68



Vehicle Fitments:

Year Make Model Submodel
1966 - 1975 Chevrolet Bel Air Base
1966 - 1972 Chevrolet Biscayne Base
1973 - 1974 Chevrolet Blazer Base
1970 - 1972 Chevrolet Brookwood Base
1978 - 1980 Chevrolet C10 Big Ten
1975 - 1980 Chevrolet C10 Scottsdale, Custom, Custom Deluxe, Cheyenne, Silverado
1968 - 1973 Chevrolet C10 Pickup Base
1968 - 1974 Chevrolet C10 Suburban Base
1975 - 1980 Chevrolet C10 Suburban Scottsdale, Custom Deluxe, Silverado
1990 Chevrolet C1500 454 SS, Cheyenne, Scottsdale, Base, Silverado, WT
1986 Chevrolet C20 Base
1975 - 1986 Chevrolet C20 Cheyenne, Silverado, Scottsdale
1981 - 1986 Chevrolet C20 Custom
1975 - 1980 Chevrolet C20 Custom Deluxe
1981 Chevrolet C20 Deluxe
1968 - 1974 Chevrolet C20 Pickup Base
1968 - 1970 Chevrolet C20 Suburban Base
1981 - 1986 Chevrolet C20 Suburban Custom
1975 - 1980 Chevrolet C20 Suburban Custom Deluxe
1981 Chevrolet C20 Suburban Deluxe
1975 - 1986 Chevrolet C20 Suburban Silverado, Scottsdale
1975 - 1982 Chevrolet C30 Base
1975 - 1981 Chevrolet C30 Cheyenne
1981 - 1986 Chevrolet C30 Custom
1975 - 1980 Chevrolet C30 Custom Deluxe
1981 Chevrolet C30 Deluxe
1975 - 1986 Chevrolet C30 Silverado, Scottsdale
1968 - 1974 Chevrolet C30 Pickup Base
1988 - 1990 Chevrolet C3500 Scottsdale, Cheyenne, Silverado
1967 - 1972 Chevrolet Camaro Z28, Base, SS, RS
1966 - 1974 Chevrolet Caprice Base
1973 - 1976 Chevrolet Caprice Classic
1976 Chevrolet Caprice Classic Estate, Classic Landau
1975 - 1976 Chevrolet Caprice Classic Sport
1973 - 1974 Chevrolet Caprice Estate
1975 Chevrolet Caprice Estate Wagon
1967 - 1968 Chevrolet Chevelle 300
1967 - 1969 Chevrolet Chevelle 300 Deluxe
1967 - 1972 Chevrolet Chevelle Concours
1969 - 1972 Chevrolet Chevelle Concours Estate, Greenbrier
1966 - 1973 Chevrolet Chevelle Deluxe
1968 - 1972 Chevrolet Chevelle Malibu, Nomad
1966 - 1972 Chevrolet Chevelle SS, Base
1968 Chevrolet Chevy II Nova
1966 - 1974 Chevrolet Corvette Base
1966 - 1974 Chevrolet El Camino Base
1968 - 1974 Chevrolet El Camino Custom, SS
1973 - 1974 Chevrolet G10 Van Sportvan, Base
1976 Chevrolet G20 Beauville, Sportvan, Chevy Van
1973 - 1974 Chevrolet G20 Van Sportvan, Base
1975 - 1990 Chevrolet G30 Sportvan, Chevy Van, Beauville, Hi-Cube
1974 Chevrolet G30 Van Base, Sportvan
1966 - 1976 Chevrolet Impala Base
1976 Chevrolet Impala Custom Landau, S
1975 - 1976 Chevrolet Impala Sport, Custom
1966 - 1967 Chevrolet Impala SS
1976 - 1980 Chevrolet K10 Scottsdale, Silverado, Cheyenne, Custom Deluxe
1968 - 1974 Chevrolet K10 Pickup Base
1968 - 1974 Chevrolet K10 Suburban Base
1976 - 1980 Chevrolet K20 Scottsdale, Silverado, Cheyenne, Custom Deluxe
1968 - 1970 Chevrolet K20 Pickup Base
1968 - 1970 Chevrolet K20 Suburban Base
1977 - 1981 Chevrolet K30 Cheyenne
1981 - 1986 Chevrolet K30 Custom
1977 - 1980 Chevrolet K30 Custom Deluxe
1981 Chevrolet K30 Deluxe
1977 - 1986 Chevrolet K30 Silverado, Scottsdale
1968 - 1974 Chevrolet K30 Pickup Base
1988 - 1990 Chevrolet K3500 Scottsdale, Silverado, Cheyenne
1976 Chevrolet K5 Blazer Base
1976 - 1978 Chevrolet K5 Blazer Cheyenne
1977 - 1978 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1970 - 1972 Chevrolet Kingswood Base, Estate
1973 - 1974 Chevrolet Laguna Base
1973 Chevrolet Laguna Estate
1974 Chevrolet Laguna Type S-3
1966 - 1975 Chevrolet Malibu Base
1974 - 1975 Chevrolet Malibu Classic
1975 Chevrolet Malibu Classic Estate
1973 - 1974 Chevrolet Malibu Estate
1970 - 1974 Chevrolet Monte Carlo Base
1973 - 1974 Chevrolet Monte Carlo Landau
1973 - 1975 Chevrolet Monte Carlo S
1970 Chevrolet Nova Base
1973 Chevrolet P10 Van Base
1976 - 1979 Chevrolet P20 Step-Van, Base
1970 Chevrolet P20 Van Base
1975 - 1990 Chevrolet P30 Base, Step-Van
1970 - 1974 Chevrolet P30 Van Base
1988 Chevrolet R20 Cheyenne
1987 - 1988 Chevrolet R20 Silverado, Scottsdale, Custom Deluxe
1987 Chevrolet R20 Suburban Custom Deluxe
1987 - 1988 Chevrolet R20 Suburban Scottsdale, Silverado
1989 Chevrolet R2500 Silverado, Scottsdale, Cheyenne
1989 - 1990 Chevrolet R2500 Suburban Silverado, Scottsdale
1988 Chevrolet R30 Cheyenne
1987 - 1988 Chevrolet R30 Scottsdale, Silverado, Custom Deluxe
1989 - 1990 Chevrolet R3500 Cheyenne, Silverado, Scottsdale
1970 - 1972 Chevrolet Townsman Base
1987 Chevrolet V20 Suburban Custom Deluxe
1987 - 1988 Chevrolet V20 Suburban Silverado, Scottsdale
1990 Chevrolet V2500 Suburban Silverado, Scottsdale
1988 Chevrolet V30 Cheyenne
1987 - 1988 Chevrolet V30 Scottsdale, Silverado, Custom Deluxe
1989 - 1990 Chevrolet V3500 Cheyenne, Scottsdale, Silverado
1975 - 1978 GMC C15 Base, Sierra Grande, Sierra Classic, High Sierra
1977 - 1978 GMC C15 Heavy Half
1977 GMC C15 Indy Hauler
1978 GMC C15 Street Coupe
1975 - 1978 GMC C15 Suburban Base, Sierra Grande, High Sierra, Sierra Classic
1968 - 1974 GMC C15/C1500 Pickup Base
1968 - 1974 GMC C15/C1500 Suburban Base
1979 - 1980 GMC C1500 Street Coupe, Sierra Classic, Heavy Half, Base, Sierra Grande, High Sierra
1979 - 1980 GMC C1500 Suburban Sierra Grande, High Sierra, Sierra Classic, Base
1975 - 1978 GMC C25 Base, High Sierra, Sierra Classic, Sierra Grande
1975 - 1978 GMC C25 Suburban High Sierra, Sierra Classic, Sierra Grande, Base
1968 - 1970 GMC C25/C2500 Pickup Base
1968 - 1970 GMC C25/C2500 Suburban Base
1979 - 1986 GMC C2500 Base, Sierra Classic, High Sierra
1979 - 1982 GMC C2500 Sierra Grande
1979 - 1986 GMC C2500 Suburban Base, Sierra Classic, High Sierra
1979 - 1982 GMC C2500 Suburban Sierra Grande
1975 - 1978 GMC C35 Base, Sierra Grande, Sierra Classic, High Sierra
1968 - 1974 GMC C35/C3500 Pickup Base
1979 - 1986 GMC C3500 High Sierra, Sierra Classic, Base
1979 - 1982 GMC C3500 Sierra Grande
1988 - 1990 GMC C3500 Sierra, Sierra SLX, Sierra SLE
1975 - 1976 GMC G25 Vandura, Rally STX, Rally
1976 GMC G35 Magnavan, Rally Camper Special, Rally STX, Vandura, Vandura Special, Rally
1974 GMC G35/G3500 Van Vandura, Base, Rally
1988 GMC G3500 Rally Custom
1988 - 1990 GMC G3500 Rally, Vandura, Vandura Special, Rally STX, Magnavan, Rally Camper Special
1976 GMC Jimmy Sierra Grande, Base, Sierra Classic, High Sierra
1976 GMC K15 Sierra Classic, Sierra Grande, High Sierra, Base
1968 - 1974 GMC K15/K1500 Pickup Base
1968 - 1974 GMC K15/K1500 Suburban Base
1979 - 1980 GMC K1500 Sierra Grande, Base, High Sierra, Sierra Classic
1976 - 1978 GMC K25 Base, High Sierra, Sierra Classic, Sierra Grande
1976 - 1977 GMC K25 Suburban High Sierra, Sierra Grande, Base, Sierra Classic
1968 - 1970 GMC K25/K2500 Pickup Base
1968 - 1970 GMC K25/K2500 Suburban Base
1968 - 1974 GMC K35/K3500 Pickup Base
1979 - 1986 GMC K3500 Sierra Classic, High Sierra, Base
1979 - 1982 GMC K3500 Sierra Grande
1988 - 1990 GMC K3500 Sierra, Sierra SLX, Sierra SLE
1979 GMC P1500 Base, Value Van
1970 GMC P25/P2500 Van Base
1975 - 1978 GMC P35 Value Van, Base
1970 - 1974 GMC P35/P3500 Van Base
1974 GMC P35/P3500 Van Motorhome
1979 - 1990 GMC P3500 Base, Value Van
1987 - 1989 GMC R2500 High Sierra, Sierra Classic, Base
1987 - 1990 GMC R2500 Suburban Base
1987 GMC R2500 Suburban High Sierra
1987 - 1989 GMC R2500 Suburban Sierra Classic
1990 GMC R2500 Suburban SLE
1987 - 1990 GMC R3500 Base
1987 - 1989 GMC R3500 Sierra Classic, High Sierra
1990 GMC R3500 SLE
1971 - 1975 GMC Sprint Base
1972 - 1974 GMC Sprint Custom
1975 GMC Sprint SP, Classic, High Sierra
1987 - 1990 GMC V3500 Base
1987 - 1989 GMC V3500 High Sierra, Sierra Classic
1990 GMC V3500 SLE

Related Products