Powder coated black Steel Pulley kit.

This kit will work on all Big Block Chevy Motors

With a "LONG" water pump.

Will not fit Corvette Short pumps

Kit includes: Black long steel water pump pulley and, Black long steel crank pulley.

 Chevy Big Block single (3) groove Blasck steel crankshaft pulley for long water pumps.

 Diameter: 7.80". Bolt Circle: 2.30". 

Chevy Big Block long water pump pulley is a single (2) groove Black steel water pump pulley.

Diameter: 6.60". Bolt Circle: 2.30".

This will not work on early 265-283 with rivited on pulleys.

 See my store for Aluminum options.