Delco Clip-held Distributor Ignition Tune up kit: USA Made Distributor Cap, Points, Condenser, Rotor, USA Made Copper Core Spark plug wire set, 4 Autolite 405 Spark Plugs (14mm x 3/4' reach)
Fits: 4 Cylinder John Deere 2510, 2520 with Delco Clip-held Distributor
Please verify your tractor has the Delco Clip-held Distributor. This Tune up kit does not fit Delco Screw-held, or Autolite / Prestolite Distributors nor WICO Distributors. Verify your Tractor requires the AL405 - 14mm x 3/4' reach plugs. If your Tractor requires the AL386 (18mm x 1/2' reach) or AL216 (14mm x 7/16' reach), you must let us know in message to ship the plug size your tractor requires.