This is an O.S. 12TZ Spec II Carburetor Retainer, intended for use with the O.S. SPEED 12TZ Spec II, a special “factory tuned” engine based on the MAX-12TZ Series high performance engine designed for 1/10 GP car racing.
This product was added to our catalog on January 5, 2021
- O.S. Engines Misc O.S. Engines






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