SBC Chevy 1 Groove Short Water Pump Pulley+ 2 Groove Crank Pulley

--This is a Single Groove Water Pump Pulley and Double Groove Crankshaft Pulley Kit

--Designed For Small Block Chevy 283 - 350 with a Short Water Pump 

--High Quality Polished Aluminum Finish

--The Diameter Of Both Pumps  Is 6.6"

--The Diameter Of Bolt Circle Is 1.75"

--Package: Including All Items In The Picture.

Note: Professional Installation is Highly Recommended. (No Instruction Included)