Various requirement are net with this 5 & 3/4 inch (144mm) single grove pulley for the power steering on many US 1964- later 70's era GM cars.

Retained by a nut & accommodates the 3/8" inch belt width.

This has a single keyway centre.

Remember... standard pulleys are not meant for huge horsepower  outputs beyond original specification. 

Manufacturers warns these are NOT to be used in  or on any high performance engines.. they are NOT made and were NOT made for it.

• Camaro
  • 1967-68 all 350
  • 1969 327ci, 350ci, 396ci/325hp
  • 1969 350ci high performance without AC
  • 1970-71 307ci, 350ci, 396ci/325hp
  • 1972-74 all V8 without AC except Z28
  Chevrolet / GMC Truck
  • 1973-74 307 or 350 without AC
  • 1975 1 TON TRUCK 350 AND 454 WITHOUT AC
  Impala / Full Size
  • 1960-62 6 cylinder
  • 1960-64 8 cylinder except 348 special high performance, 409
  • 1963-66 409 with AC
  • 1965-67 all small block
  • 1968-74 all with 302, 350, 396 & 427
  • 1971-72 all with 6cylinder
  Chevy II / Nova
  • 1964-67 with 283ci, 327ci
  • 1968 327ci/325hp
  • 1969-70 307ci, 350ci w/o AC
  • 1969-70 396ci/350hp w/o AC
• GM CHEVELLE/ GTO/ OLDS.. A BODY and various other uses.