Sigma Engineering and Manufacturing

Sigma Engineering offers full line of gasoline engine Rocker Arm, Rocker Shafts and Push Rods.

Our gasoline engine parts are made to OEM specifications and guaranteed for one year or 12,000 miles.

Our coverage includes Ford GM, Chrysler, Toyota and High performance parts.

Sigma Engineering has unique capability of engineering and manufacturing special Rocker Arms, Rocker Shafts and Push Rods per customer specification.

Special Order Quantities:

Rocker Arm Cast  1000 pieces  Minimum

Rocker Arm Stamping 5000 pieces Minimum

Rocker Shaft 100 pieces Minimum

Push Rods 100 pieces Minimum