Used Moroso BBC Billet Alum. Gerotor Wet Sump Oil Pump #22167

*** IN STOCK SHIPS TODAY *** THIS OIL PUMP WAS USED FOR TESTING AT MOROSO, HERE IS WHAT THE MOROSO REP SAID TO US, MOROSO HAS ONE OF THESE BIG BLOCK BILLET OIL PUMPS THAT WAS RUN ON A DYNO FOR A TEST SESSION THEN REMOVED. WE ARE GOING THRU IT TO MAKE SURE IT IS PERFECT. SO BASCIALLY YOU ARE GETTING A LIKE NEW PUMP AT A DISCOUNTED PRICE ***

Moroso BBC billet alum. Gerotor wet sump oil pumps are chosen by top engine builders in the racing world for their performance and delivering of the engines life blood pass after pass, mile after mile.

Oil pump body is machined from billet alum. and anodized for corrosion protection and wear resistance. Pump mounts to the main cap with a provided 7/16" heat-treated ARP steel stud, nut and washer. Pick-up bolts to the bottom of the oil pump and measures 3.250" x 1.50". Pump assm. includes a heat-treated intermediate drive shaft that will allow the racer to use a stock type flat-tang drive on the distributor and 5/16" hex on the oil pump drive end.

Oil pump uses a 1.100" Gerotor gear assm. for more volume with maintaining oil pressure during the run. External adjustment allows fine-tuning of oil pump bypass pressure and oil pump gear is supported by a thrust bearing assembly that will increase oil pump housing and Gerotor gear life due to drive shaft axial forces on the drive gear not being subjected to side-load.

Engineered to fit 8.00" deep fabricated aluminum oil pan, and oil pump will clear 5.25" stroke with most aluminum connecting rods. Oil pump is considered standard pressure, hi-volume.

Big Block Chevy Oil Pumps (Cast & Billet):

Heavy pressure spring – Brown Color – 70 to 80 p.s.i. (At operating temperatures)

Medium pressure spring – Purple Color – 60 to 70 p.s.i. (At operating temperatures)

Light pressure spring – Blue Color – 50 to 60 p.s.i. (At operating temperatures)