Speedway Motors SBC Aluminum Double Groove Pulley Set for Long Water Pump, Lightweight Precision Machined Cast Aluminum, 6.6 Inch V-Belt Pulleys, 1969-1985 SBC

Pair up a new set of pulleys sure to match for your Small Block Compatible with Chevy equipped with a long-style water pump. These convienent combos feature cast aluminum construction, for use on 1969-1985 SBC engines. Precision machined cast aluminum construction. Lightweight and strong. For '69-'85 Small Block Compatible with Chevy long style water pumps. Double groove pulleys for 2 V-belts. Kit Includes: (1) SBC Aluminum Long Water Pump Pulley - Double Groove. (1) SBC Aluminum Long Pump Crank Pulley - Double Groove. SBC Aluminum Long Water Pump Pulley - Double Groove Center hole fits a 5/8" shaft (can be drilled out to 3/4" if needed) Hub surface to first groove center: 2.415" Center-to-center of grooves: 11/16" Diameter is 6-5/8" Mounted Length: 2.69" Shaft Diameter: .63" Bolt Hole Pattern: 4 on 2.13" Belt Width: .42" SBC Aluminum Long Pump Crank Pulley - Double Groove Diameter is 6-5/8" Mounted Length: 2.69" Bolt Hole Pattern: 3 on 2.75" Belt Width: .41" Inside Diameter: 1.10" Notes: It may be necessary to shim either or both of the pulleys to achieve perfect belt alignment. There are variances between manufacturers of both water pumps and pulleys. Water Pump Pulley: Mounted length is from the face of the water pump pulley mount towards the front of the engine. Crank Pulley: Mounted length is from the face of the harmonic balancer towards the front of the vehicle. Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

• Precision Aluminum Construction: Cast and precision-machined aluminum pulleys provide a strong, lightweight solution for reliable belt drive operation
• Correct SBC Fitment: Designed specifically for 1969–1985 Small Block Compatible with Chevy engines using long-style water pumps for proper alignment
• Double Groove Design: Features dual V-belt grooves to support two-belt accessory drive setups with a 1:1 pulley ratio
• Matched Pulley Kit: Includes both long water pump pulley and crank pulley for consistent appearance and accurate belt tracking
• Installation Flexibility: Natural aluminum finish with standard bolt patterns; minor shimming may be required to achieve optimal belt alignment