High-Performance SBC Cast Aluminum Pulley Set for '69-'85 Small Block Chevy Engines - 2-Groove Water Pump & 3-Groove Crankshaft, Precision Machined Lightweight Design for Long-Style Water Pumps | Perfect for Classic Car Restoration, Hot Rod Upgrades & Engine Performance Enhancement

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 water pump pulley for 2 V-belts. Triple groove crankshaft pulley for 3 V-belts. Kit Includes: (1) SBC Aluminum Long Water Pump Pulley - Double Groove. (1) SBC Aluminum Long Pump Crank Pulley - Triple 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 - Triple Groove Mounting face to first groove: 1.090" First groove to second groove: .625" Second groove to third groove: .687" Overall Thickness: 2.77" Mounted Length: 2.76" Bolt Hole Pattern: 3 on 2.75" Belt Width: .41" Inside Diameter: 1.10" Outside Diameter: 6-5/8" 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.

Durable Construction Precision machined cast aluminum ensures lightweight strength and lasting reliability.

Compatibility Designed specifically for '69-'85 Small Block Chevy with long style water pumps.

Pulley Specification Features a double groove water pump pulley for 2 V-belts and a triple groove crankshaft pulley for 3 V-belts.

Comprehensive Kit Includes both an aluminum long water pump pulley (double groove) and a long pump crank pulley (triple groove).

Precise Fitment Notes May require shimming for perfect belt alignment; adaptable to variances between different manufacturers.