Manton Pushrod Length Checking Tool

Part# D-602

$41.75 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Manton Pushrod Length Checking Tool

Part#D-602

If you've made some changes to your Duramax engine, it's always a good idea to check for the correct pushrod length. Many variables directly affect determining proper pushrod length. Pushrod length could be affected by the variables listed below.

  • Block deck height
  • Head deck height
  • Cam base circle diameter
  • Head stud boss height / rockerarm stand mounting pad
  • Rockerarm design
  • Lifter receiver cup height
  • Valve stem height


Chevy Duramax 6.6L 3/8 Tool with 12mm cup, 12mm ball 9.0-10.0 in length

(2 tools, 2 cups, 4 springs)