BRAND NEW SOUTHWEST SPEED SHORT WATER PUMP WITH POLISHED FINISH THAT IS FABRICATED FROM LIGHTWEIGHT ALUMINUM, & FITS SMALL BLOCK CHEVY 262-400CI V-8 ENGINES, & 90 DEGREE V6 ENGINES. SOUTHWEST SPEED WATER PUMPS FEATURE REMARKABLE FLOW RATES, SUPERIOR QUALITY, AND STANDARD FEATURES FOUND TYPICALLY ONLY ON WATER PUMPS AT TWICE THE PRICE. THIS WATER PUMP FEATURES A BEAUTIFUL POLISHED FINISH & IS FABRICATED FROM STATE-OF-THE-ART LIGHTWEIGHT ALUMINUM AND FEATURES AN PRECISION IMPELLER PROVIDING EQUAL FLOW TO BOTH CYLINDER BANKS. THIS SOUTHWEST SPEED WATER PUMP COMES WITH BOTH MOUNTING GASKETS, & IS IN STOCK READY TO SHIP TODAY.FEATURES: LIGHTWEIGHT ALUMINUM CONSTRUCTION SHORT DESIGN WATER PUMP POLISHED FINISH 1/2" NPT HOLE ON PASSENGER SIDE (FOR HEATER HOSE) 1/2" NPT HOLE ON TOP (FOR BYPASS HOSE) WATER PUMP HAS PROVISION FOR CAM STOP 3/4" INCH HEAVY DUTY BEARING FEATURES A 3/4" SHAFT, WHICH IS TURNED DOWN ON THE VERY END TO FIT PULLEYS WITH 5/8" INSIDE DIAMETER HOLES IF YOU HAVE A PULLEY WITH A 3/4" HOLE, WE HAVE A SHIM AVAILABLE FOR $2.99, SO THOSE PULLEYS CAN BE USED WITH THIS PUMP MEASURES 5 5/8" (5.625") FROM THE BLOCK TO THE FRONT OF THE FAN FLANGE EXTRA THICK PRESSED-FIT FAN HUB DUAL FAN MOUNTING BOLT PATTERN EQUAL FLOW TO BOTH CYLINDER BANKS PRECISION IMPELLER HIGHER FLOW RATE AND PRESSURE RATE INCLUDES MOUNTING GASKETS APPLICATIONS: FITS ALL SMALL BLOCK CHEVROLET V-8 ENGINE FITS 90 DEGREE V-6 CHEVY ENGINES YOU CAN VIEW AND DOWNLOAD THE COMPLETE INSTRUCTION BOOKLET FOR THIS WATER PUMP HERE.