24v Cummins – Adjusting Screw

Manton 24v Cummins Adjusting Screw

Introducing our Billet Toolsteel Adjusting Screws, crafted from H-13 tool steel for superior durability.

Heat treated, triple tempered, and nitrided for optimal wear resistance.

Manufactured with rolled threads and Allen wrench-compatible broached ends.

Custom screws available on request with optional oil holes or oil grooves.

Designed for 24-valve Cummins engines using part number D-837 for stock rocker arms.

Ensure proper installation aligning the ball 2 to 3 threads from the rocker body bottom.

Pre-lubricate with high zinc content assembly oil to prevent initial galling.

Avoid using anti-seize on pushrod tips and adjusting screws due to potential abrasive effects.

Pair with our lightweight 12-point poly lock jam nuts for secure fitment.

Recommended pairing with D-851 jam nut for optimal performance.

For more details, contact us at (951)245-6565 for personalized assistance.