BBC 454 8" HARMONIC BALANCER DAMPER LS5 LS6 LS7 Corvette Chevelle - $60 (Oceanside)

BBC 454 8" HARMONIC BALANCER DAMPER LS5 LS6 LS7 Corvette Chevelle 1

BBC 454 8" HARMONIC BALANCER DAMPER LS5 LS6 LS7 Corvette Chevelle 1 thumbnail

condition: excellent

size / dimensions: 8"

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454 8" Harmonic Balancer used on Special High Performance Applications LS5 LS6 LS7 First Gen Mark IV 1970-1990 Externally Balanced, Recessed opening for earlier V belt pulleys and 8" timing cover. Mark IV crankshafts use 2 peice rear main seal. Very nice used condition solid rubber seal, Oiled Iron not painted...ready for your finish. Application: 3942415 3942416 GM Chevrolet BBC 291 074 077 392 840 842 L89 L88 L72 L78 L34 LS5 LS6 LS7 ZL1 396 402 427 454 502 Gen IV 1965 65 1967 67 1968 68 1969 69 1970 70 1971 71 1972 72 Corvette Vette Camaro Chevelle Malibu Nova II El-Camino Monte Carlo Impala Biscayne Super Sport SS Rally Ralley Z/28 C-10 3100 3124 Cameo Carrier Rock Crusher Cheyenne Cameo Muncie M20 M21 M22 12-Bolt Posi Tri-Five 1955 55 1956 56 1957 57 Holley 780 Turbo 400 4:88 4:11 3:73 3:50 Yenko COPO Bill Grumpy Jenkins Baldwin Motion NOS OEM One Owner Survivor Barn Find Divorce Fire Sale

post id: 7965002511

posted: 2026-09-11 18:07

updated: 2026-09-29 08:23

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BBC 454 8" HARMONIC BALANCER DAMPER LS5 LS6 LS7 Corvette Chevelle -...

454 8" Harmonic Balancer used on Special High Performance Applications LS5 LS6 LS7 First Gen Mark IV 1970-1990 Externally Balanced, Recessed opening for earlier V belt pulleys and 8" timing cover....