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Heavy Duty Flexplate

Part Number : Z-500

Original Equipment (OE) Part Interchange

GENERAL MOTORS: 340298
GENERAL MOTORS: 471578

Features & Benefits

Vehicles with automatic transmissions have a flex plate. The flex plates connects the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The ATP heavy duty flex plate offers superior strength because the ring gear is welded on both sides to the center plate. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability
  • Double-welded base plate for increased durability
  • Durable zinc coating for corrosion resistance

Warranty

For more information about the warranty View Details

Specifications

Application

Part Number
Z-500
Name
Heavy Duty Flexplate
Additional Details
For externally balanced engine. Torque converter mounting hole spread is 11.50 inches
Flywheel Pitch
12 to 14
Outer Diameter (in inches)
14.13
Teeth (in inches)
168
Trans. Code
N/A
Balanced
N/A

Fitment Notes

Select a vehicle to view fitment notes
1975 Buick LeSabre V8 6.6L 400cid
1970 Chevrolet Bel Air V8 6.6L 400cid
1970 Chevrolet Bel Air V8 6.6L 6555cc 400cid
1970 Chevrolet Bel Air V8 6.6L 6556cc 400cid
1971 Chevrolet Bel Air V8 6.6L 400cid
1971 Chevrolet Bel Air V8 6.6L 6555cc 400cid
1971 Chevrolet Bel Air V8 6.6L 6556cc 400cid
1972 Chevrolet Bel Air V8 6.6L 400cid
1972 Chevrolet Bel Air V8 6.6L 6555cc 400cid
1972 Chevrolet Bel Air V8 6.6L 6556cc 400cid
1973 Chevrolet Bel Air V8 6.6L 400cid
1973 Chevrolet Bel Air V8 6.6L 6555cc 400cid
1973 Chevrolet Bel Air V8 6.6L 6556cc 400cid
1974 Chevrolet Bel Air V8 6.6L 400cid
1974 Chevrolet Bel Air V8 6.6L 6555cc 400cid
1974 Chevrolet Bel Air V8 6.6L 6556cc 400cid
1975 Chevrolet Bel Air V8 6.6L 400cid
1970 Chevrolet Biscayne V8 6.6L 400cid
1970 Chevrolet Biscayne V8 6.6L 6555cc 400cid
1970 Chevrolet Biscayne V8 6.6L 6556cc 400cid
1971 Chevrolet Biscayne V8 6.6L 400cid
1971 Chevrolet Biscayne V8 6.6L 6555cc 400cid
1971 Chevrolet Biscayne V8 6.6L 6556cc 400cid
1972 Chevrolet Biscayne V8 6.6L 400cid
1972 Chevrolet Biscayne V8 6.6L 6555cc 400cid
1972 Chevrolet Biscayne V8 6.6L 6556cc 400cid
1970 Chevrolet Brookwood V8 6.6L 400cid
1970 Chevrolet Brookwood V8 6.6L 6555cc 400cid
1970 Chevrolet Brookwood V8 6.6L 6556cc 400cid
1971 Chevrolet Brookwood V8 6.6L 6555cc 400cid
1972 Chevrolet Brookwood V8 6.6L 400cid
1972 Chevrolet Brookwood V8 6.6L 6555cc 400cid
1972 Chevrolet Brookwood V8 6.6L 6556cc 400cid
1976 Chevrolet C10 V8 6.6L 400cid
1977 Chevrolet C10 V8 6.6L 400cid
1978 Chevrolet C10 V8 6.6L 400cid
1979 Chevrolet C10 V8 6.6L 400cid
1980 Chevrolet C10 V8 6.6L 400cid
1976 Chevrolet C20 V8 6.6L 400cid
1977 Chevrolet C20 V8 6.6L 400cid
1978 Chevrolet C20 V8 6.6L 400cid
1979 Chevrolet C20 V8 6.6L 400cid
1980 Chevrolet C20 V8 6.6L 400cid
1976 Chevrolet C20 Suburban V8 6.6L 400cid
1977 Chevrolet C20 Suburban V8 6.6L 400cid
1978 Chevrolet C20 Suburban V8 6.6L 400cid
1979 Chevrolet C20 Suburban V8 6.6L 400cid
1980 Chevrolet C20 Suburban V8 6.6L 400cid
1976 Chevrolet C30 V8 6.6L 400cid
1977 Chevrolet C30 V8 6.6L 400cid
1978 Chevrolet C30 V8 6.6L 400cid
1979 Chevrolet C30 V8 6.6L 400cid
1970 Chevrolet Caprice V8 6.6L 400cid
1970 Chevrolet Caprice V8 6.6L 6555cc 400cid
1970 Chevrolet Caprice V8 6.6L 6556cc 400cid
1971 Chevrolet Caprice V8 6.6L 400cid
1971 Chevrolet Caprice V8 6.6L 6555cc 400cid
1971 Chevrolet Caprice V8 6.6L 6556cc 400cid
1972 Chevrolet Caprice V8 6.6L 400cid
1972 Chevrolet Caprice V8 6.6L 6555cc 400cid
1972 Chevrolet Caprice V8 6.6L 6556cc 400cid
1973 Chevrolet Caprice V8 6.6L 400cid
1973 Chevrolet Caprice V8 6.6L 6555cc 400cid
1973 Chevrolet Caprice V8 6.6L 6556cc 400cid
1974 Chevrolet Caprice V8 6.6L 400cid
1974 Chevrolet Caprice V8 6.6L 6555cc 400cid
1974 Chevrolet Caprice V8 6.6L 6556cc 400cid
1975 Chevrolet Caprice V8 6.6L 400cid
1976 Chevrolet Caprice V8 6.6L 400cid
1970 Chevrolet Chevelle V8 6.6L 400cid
1970 Chevrolet Chevelle V8 6.6L 6555cc 400cid
1970 Chevrolet Chevelle V8 6.6L 6556cc 400cid
1971 Chevrolet Chevelle V8 6.6L 400cid
1971 Chevrolet Chevelle V8 6.6L 6555cc 400cid
1971 Chevrolet Chevelle V8 6.6L 6556cc 400cid
1972 Chevrolet Chevelle V8 6.6L 6555cc 400cid
1973 Chevrolet Chevelle V8 6.6L 6555cc 400cid
1970 Chevrolet El Camino V8 6.6L 400cid
1970 Chevrolet El Camino V8 6.6L 6555cc 400cid
1971 Chevrolet El Camino V8 6.6L 6555cc 400cid
1972 Chevrolet El Camino V8 6.6L 6555cc 400cid
1973 Chevrolet El Camino V8 6.6L 6555cc 400cid
1974 Chevrolet El Camino V8 6.6L 400cid
1974 Chevrolet El Camino V8 6.6L 6555cc 400cid
1974 Chevrolet El Camino V8 6.6L 6556cc 400cid
1975 Chevrolet El Camino V8 6.6L 400cid
1976 Chevrolet El Camino V8 6.6L 400cid
1970 Chevrolet Estate V8 6.6L 6555cc 400cid
1970 Chevrolet Estate V8 6.6L 6588cc 402cid
1976 Chevrolet G10 V8 6.6L 400cid
1975 Chevrolet G20 V8 6.6L 400cid
1976 Chevrolet G20 V8 6.6L 400cid
1977 Chevrolet G20 V8 6.6L 400cid
1978 Chevrolet G20 V8 6.6L 400cid
1979 Chevrolet G20 V8 6.6L 400cid
1980 Chevrolet G20 V8 6.6L 400cid
1975 Chevrolet G30 V8 6.6L 400cid
1976 Chevrolet G30 V8 6.6L 400cid
1977 Chevrolet G30 V8 6.6L 400cid
1978 Chevrolet G30 V8 6.6L 400cid
1979 Chevrolet G30 V8 6.6L 400cid
1980 Chevrolet G30 V8 6.6L 400cid
1970 Chevrolet Impala V8 6.6L 400cid
1970 Chevrolet Impala V8 6.6L 6555cc 400cid
1970 Chevrolet Impala V8 6.6L 6556cc 400cid
1971 Chevrolet Impala V8 6.6L 400cid
1971 Chevrolet Impala V8 6.6L 6555cc 400cid
1971 Chevrolet Impala V8 6.6L 6556cc 400cid
1972 Chevrolet Impala V8 6.6L 400cid
1972 Chevrolet Impala V8 6.6L 6555cc 400cid
1972 Chevrolet Impala V8 6.6L 6556cc 400cid
1973 Chevrolet Impala V8 6.6L 400cid
1973 Chevrolet Impala V8 6.6L 6555cc 400cid
1973 Chevrolet Impala V8 6.6L 6556cc 400cid
1974 Chevrolet Impala V8 6.6L 400cid
1974 Chevrolet Impala V8 6.6L 6555cc 400cid
1974 Chevrolet Impala V8 6.6L 6556cc 400cid
1975 Chevrolet Impala V8 6.6L 400cid
1976 Chevrolet Impala V8 6.6L 400cid
1975 Chevrolet K10 V8 6.6L 400cid
1976 Chevrolet K10 V8 6.6L 400cid
1977 Chevrolet K10 V8 6.6L 400cid
1978 Chevrolet K10 V8 6.6L 400cid
1979 Chevrolet K10 V8 6.6L 400cid
1980 Chevrolet K10 V8 6.6L 400cid
1975 Chevrolet K10 Suburban V8 6.6L 400cid
1976 Chevrolet K10 Suburban V8 6.6L 400cid
1977 Chevrolet K10 Suburban V8 6.6L 400cid
1978 Chevrolet K10 Suburban V8 6.6L 400cid
1979 Chevrolet K10 Suburban V8 6.6L 400cid
1975 Chevrolet K20 V8 6.6L 400cid
1976 Chevrolet K20 V8 6.6L 400cid
1977 Chevrolet K20 V8 6.6L 400cid
1978 Chevrolet K20 V8 6.6L 400cid
1979 Chevrolet K20 V8 6.6L 400cid
1980 Chevrolet K20 V8 6.6L 400cid
1975 Chevrolet K20 Suburban V8 6.6L 400cid
1976 Chevrolet K20 Suburban V8 6.6L 400cid
1977 Chevrolet K20 Suburban V8 6.6L 400cid
1978 Chevrolet K20 Suburban V8 6.6L 400cid
1979 Chevrolet K20 Suburban V8 6.6L 400cid
1980 Chevrolet K20 Suburban V8 6.6L 400cid
1977 Chevrolet K30 V8 6.6L 400cid
1978 Chevrolet K30 V8 6.6L 400cid
1979 Chevrolet K30 V8 6.6L 400cid
1980 Chevrolet K30 V8 6.6L 400cid
1975 Chevrolet K5 Blazer V8 6.6L 400cid
1976 Chevrolet K5 Blazer V8 6.6L 400cid
1977 Chevrolet K5 Blazer V8 6.6L 400cid
1978 Chevrolet K5 Blazer V8 6.6L 400cid
1979 Chevrolet K5 Blazer V8 6.6L 400cid
1970 Chevrolet Kingswood V8 6.6L 400cid
1970 Chevrolet Kingswood V8 6.6L 6555cc 400cid
1970 Chevrolet Kingswood V8 6.6L 6556cc 400cid
1971 Chevrolet Kingswood V8 6.6L 400cid
1971 Chevrolet Kingswood V8 6.6L 6555cc 400cid
1971 Chevrolet Kingswood V8 6.6L 6556cc 400cid
1972 Chevrolet Kingswood V8 6.6L 400cid
1972 Chevrolet Kingswood V8 6.6L 6555cc 400cid
1972 Chevrolet Kingswood V8 6.6L 6556cc 400cid
1973 Chevrolet Laguna V8 6.6L 6555cc 400cid
1974 Chevrolet Laguna V8 6.6L 400cid
1974 Chevrolet Laguna V8 6.6L 6555cc 400cid
1974 Chevrolet Laguna V8 6.6L 6556cc 400cid
1975 Chevrolet Laguna V8 6.6L 400cid
1976 Chevrolet Laguna V8 6.6L 400cid
1973 Chevrolet Malibu V8 6.6L 6555cc 400cid
1974 Chevrolet Malibu V8 6.6L 400cid
1974 Chevrolet Malibu V8 6.6L 6555cc 400cid
1974 Chevrolet Malibu V8 6.6L 6556cc 400cid
1975 Chevrolet Malibu V8 6.6L 400cid
1976 Chevrolet Malibu V8 6.6L 400cid
1970 Chevrolet Monte Carlo V8 6.6L 400cid
1970 Chevrolet Monte Carlo V8 6.6L 6555cc 400cid
1970 Chevrolet Monte Carlo V8 6.6L 6556cc 400cid
1971 Chevrolet Monte Carlo V8 6.6L 400cid
1971 Chevrolet Monte Carlo V8 6.6L 6555cc 400cid
1971 Chevrolet Monte Carlo V8 6.6L 6556cc 400cid
1972 Chevrolet Monte Carlo V8 6.6L 400cid
1972 Chevrolet Monte Carlo V8 6.6L 6555cc 400cid
1972 Chevrolet Monte Carlo V8 6.6L 6556cc 400cid
1973 Chevrolet Monte Carlo V8 6.6L 400cid
1973 Chevrolet Monte Carlo V8 6.6L 6555cc 400cid
1973 Chevrolet Monte Carlo V8 6.6L 6556cc 400cid
1974 Chevrolet Monte Carlo V8 6.6L 400cid
1974 Chevrolet Monte Carlo V8 6.6L 6555cc 400cid
1974 Chevrolet Monte Carlo V8 6.6L 6556cc 400cid
1975 Chevrolet Monte Carlo V8 6.6L 400cid
1976 Chevrolet Monte Carlo V8 6.6L 400cid
1977 Chevrolet P10 V8 6.6L 400cid
1976 Chevrolet P30 V8 6.6L 400cid
1970 Chevrolet Townsman V8 6.6L 400cid
1970 Chevrolet Townsman V8 6.6L 6555cc 400cid
1970 Chevrolet Townsman V8 6.6L 6556cc 400cid
1971 Chevrolet Townsman V8 6.6L 400cid
1971 Chevrolet Townsman V8 6.6L 6555cc 400cid
1971 Chevrolet Townsman V8 6.6L 6556cc 400cid
1972 Chevrolet Townsman V8 6.6L 400cid
1972 Chevrolet Townsman V8 6.6L 6555cc 400cid
1972 Chevrolet Townsman V8 6.6L 6556cc 400cid
1976 GMC C15 V8 6.6L 400cid
1978 GMC C15 V8 6.6L 400cid
1979 GMC C1500 V8 6.6L 400cid
1980 GMC C1500 V8 6.6L 400cid
1976 GMC C25 V8 6.6L 400cid
1977 GMC C25 V8 6.6L 400cid
1978 GMC C25 V8 6.6L 400cid
1978 GMC C25 Suburban V8 6.6L 400cid
1979 GMC C2500 V8 6.6L 400cid
1980 GMC C2500 Suburban V8 6.6L 400cid
1976 GMC C35 V8 6.6L 400cid
1977 GMC C35 V8 6.6L 400cid
1978 GMC C35 V8 6.6L 400cid
1979 GMC C3500 V8 6.6L 400cid
1976 GMC G15 V8 6.6L 400cid
1979 GMC G1500 V8 6.6L 400cid
1975 GMC G25 V8 6.6L 400cid
1976 GMC G25 V8 6.6L 400cid
1977 GMC G25 V8 6.6L 400cid
1978 GMC G25 V8 6.6L 400cid
1979 GMC G2500 V8 6.6L 400cid
1980 GMC G2500 V8 6.6L 400cid
1975 GMC G35 V8 6.6L 400cid
1976 GMC G35 V8 6.6L 400cid
1977 GMC G35 V8 6.6L 400cid
1978 GMC G35 V8 6.6L 400cid
1979 GMC G3500 V8 6.6L 400cid
1980 GMC G3500 V8 6.6L 400cid
1975 GMC Jimmy V8 6.6L 400cid
1976 GMC Jimmy V8 6.6L 400cid
1977 GMC Jimmy V8 6.6L 400cid
1978 GMC Jimmy V8 6.6L 400cid
1979 GMC Jimmy V8 6.6L 400cid
1975 GMC K15 V8 6.6L 400cid
1976 GMC K15 V8 6.6L 400cid
1977 GMC K15 V8 6.6L 400cid
1978 GMC K15 V8 6.6L 400cid
1975 GMC K15 Suburban V8 6.6L 400cid
1976 GMC K15 Suburban V8 6.6L 400cid
1977 GMC K15 Suburban V8 6.6L 400cid
1978 GMC K15 Suburban V8 6.6L 400cid
1979 GMC K1500 V8 6.6L 400cid
1980 GMC K1500 V8 6.6L 400cid
1979 GMC K1500 Suburban V8 6.6L 400cid
1980 GMC K1500 Suburban V8 6.6L 400cid
1975 GMC K25 V8 6.6L 400cid
1976 GMC K25 V8 6.6L 400cid
1977 GMC K25 V8 6.6L 400cid
1978 GMC K25 V8 6.6L 400cid
1975 GMC K25 Suburban V8 6.6L 400cid
1976 GMC K25 Suburban V8 6.6L 400cid
1977 GMC K25 Suburban V8 6.6L 400cid
1978 GMC K25 Suburban V8 6.6L 400cid
1979 GMC K2500 V8 6.6L 400cid
1980 GMC K2500 V8 6.6L 400cid
1979 GMC K2500 Suburban V8 6.6L 400cid
1980 GMC K2500 Suburban V8 6.6L 400cid
1977 GMC K35 V8 6.6L 400cid
1978 GMC K35 V8 6.6L 400cid
1979 GMC K3500 V8 6.6L 400cid
1980 GMC K3500 V8 6.6L 400cid
1971 GMC P15/P1500 Van V8 6.6L 400cid
1972 GMC P15/P1500 Van V8 6.6L 400cid
1971 GMC P25/P2500 Van V8 6.6L 400cid
1972 GMC P25/P2500 Van V8 6.6L 400cid
1971 GMC P35/P3500 Van V8 6.6L 400cid
1972 GMC P35/P3500 Van V8 6.6L 400cid
1971 GMC Sprint V8 6.6L 6555cc 400cid
1972 GMC Sprint V8 6.6L 6555cc 400cid
1973 GMC Sprint V8 6.6L 6555cc 400cid
1974 GMC Sprint V8 6.6L 400cid
1974 GMC Sprint V8 6.6L 6555cc 400cid
1974 GMC Sprint V8 6.6L 6556cc 400cid
1975 GMC Sprint V8 6.6L 400cid
1976 GMC Sprint V8 6.6L 400cid
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