At sustained high rpm a stock pump can flex at the cover and lose the tight gear clearance that holds pressure. This pump answers that with a doweled housing and cover, billet helical gears and a chromoly intermediate shaft, so it stays together in a small block that sees track or heavy duty use.

Melling 10554ST Performance Construction

• Doweled cast iron housing and CNC machined cover with a phosphate coated finish.
• Billet steel Shark Tooth helical gears.
• 3.230 in. width and 4.000 in. height with two 0.240 in. mounting holes.
• 0.750 in. pickup tube diameter and adjustable bypass pressure.
• Chromoly steel intermediate shaft with guide included; alternate pressure springs supplied.