Ferrari Testarossa 1984-1991 Key Codes

The Ferrari Testarossa 1984-1991 uses key code series K, with 1,586 documented codes spanning the range K3301-K4886. Uses a 6-cut double-sided profile. Set the duplicator to V-cut. Code is typically stamped on the original key bow or available via the VIN through the dealer. Bitting data verified as of June 12, 2026.

Code prefix
K
Code range
K3301-K4886
Years
1984-1991
Total codes
1,586
Cuts per key
6
Last verified

Common questions

What key code series does the Ferrari Testarossa 1984-1991 use?
The Ferrari Testarossa 1984-1991 uses key code series K, with 1,586 documented codes ranging from K3301-K4886.
How many cuts does a Ferrari Testarossa 1984-1991 key have?
6 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
When was the Ferrari Testarossa 1984-1991 key data last verified?
Bitting data for the Ferrari Testarossa 1984-1991 was last verified June 12, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

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