Melling High Volume Wet Sump Oil Pump - High Pressure - 3/4 in Inlet - Small Block Chevy 10555ST 20-OTL-NR-3XL This manifold is cast with

This manifold is cast with 3/8" more material in the corners of the ports for a final radius of 3/4"

1987-1990 Chevrolet Blazer

Fits Holley(R)

This Fan-Thom II kit comes with a threaded thermostatic switch that screws into the extra coolant temperature sensor port of the passenger engine head on Generation III and up GM engines for a professional looking installation

Powertrax Extreme Traction Systems give you the best of both worlds

Melling High Volume Wet Sump Oil Pump - High Pressure - 3/4 in Inlet - Small Block Chevy 10555ST 20-OTL-NR-3XL This manifold is cast withMelling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shafts for additional support at increased RPM's, a screw in relief spring plug, CNC machined cover and housing that is manganese phosphate coated, standard volume and high volume patented billet Shark