Speedway Motors SBC Aluminum Single Groove Pulley Set for Long Water Pump, Compatible with 1969-1985 Small Block Chevy V-Belt Drive, Lightweight Cast Aluminum, 6-5/8 Inch Diameter

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. Single groove for V-belt. Kit Includes: (1) SBC Aluminum Long Water Pump Pulley - Single Groove. (1) SBC Aluminum Long Pump Crank Pulley - Single Groove. SBC Aluminum Long Water Pump Pulley - Single Groove From inside of pulley at fan hub to rear edge of pulley is 2" From rear edge of pulley to center of V-belt groove is 5/16" Center hole fits a 5/8" shaft (can be drilled out to 3/4" if needed) Diameter is 6-5/8" Mounted Length: 1.96" Shaft Diameter: .63" Bolt Hole Pattern: 4 on 2.15" Belt Width: .42" Note: When using in conjunction with an electric fan assembly, be sure to consider the pulley installation screw kit # 910-15440. SBC Aluminum Long Pump Crank Pulley - Single Groove From balancer to outer edge of pulley is 2-3/4" From outer edge to center of V-belt groove is 5/16" Diameter is 6-5/8" Mounted Length: 2.76" Bolt Hole Pattern: 3 on 2.77" Belt Width: .42" Inside Diameter: 1.09" 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 aluminum pulleys are precision machined for accurate fitment while remaining lightweight and strong
• Correct SBC Fitment: Designed for 1969–1985 Small Block Compatible with Chevy engines using a long-style water pump configuration
• Single Groove V-Belt Design: Single-groove pulleys support standard V-belt drive systems for reliable accessory operation
• Matched Pulley Set: Kit includes both water pump and crank pulleys engineered to work together for proper belt alignment
• Performance-Focused Dimensions: 6-5/8" diameter pulleys with carefully designed offsets to support consistent belt tracking and serviceability