1966-1969 CORVETTE C2 C3 CRANKSHAFT / HARMONIC BALANCER - 390 / 400 HP, 7 inch. GENERAL MOTORS PART NUMBER 3860008.
Also used on 1965-1969 Passenger Car, Camaro, Chevelle, and Nova with 396 or 427.
FITS; 1966, 1967, 1968, 1969 CORVETTES.
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