Mallory Tach Shaft & Gear, Corvette

Require frequent checking and replacement.

PART# 25711C

$84.36   Suggested Retail
$75.92   Your Price
Free Shipping on orders over $100*
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These gears are recommended for slot hard-faced and steel billet mechanical roller tappet camshafts. They are made from the highest quality aluminum silicon bronze alloy for maximum durability.


  • Aluminum Silicone Bronze Alloy Construction
  • Absorbs increased wear caused by specialized camshafts and magnetos
  • Precision Machined


Emission Code1
Part Number25711C


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle


*Free Shipping & Handling only offered to the contiguous US on orders over $100.

Some parts are not legal for use in California or other states with similar regulations.