Modular Pulleys

ZZ-8MP-3.8-BLK $59.99
Color
Black
Clear
Pulley Size
Regular price $59.99

This is a replacement pulley for our Modular Pulley System that removes the stock supercharger pulley and replaces it with our stainless hub, and these pulleys will bolt onto that hub. A jaw style puller should never be used to remove a supercharger pulley, if it is used, it will destroy the pulley and possibly damage the supercharger. We recommend using our Supercharger Pulley Puller. Once installed the hub allows quick changing of pulleys with an Allen wrench. The ZZP MPS allows you to change between pulleys depending on conditions, use one pulley for street use and a smaller for the track or when running high octane fuel. A modular pulley system is a must for those planning to continue to modify their car in the future.

Recommended Pulley sizes (based on 93 octane, 91 add .1, 89 add .3):

  • 3.6" pulley - '04+ Grand Prix supercharged/ '00+ SSEi/ Ultra/ '04+ Monte/Impala SS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.5" pulley for '01-03 GTP/ GS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.5" pulley for '04+ Grand Prix supercharged/ '00+ SSEi/ Ultra/ '04+ Monte/Impala SS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and some exhaust work.
  • 3.4" pulley for '97-00 GTP/ GS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.4" pulley for '01-03 GTP/ GS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.3" pulley for '97-00 GTP/ GS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe
  • 3.3" pulley for '01-03 GTP/ GS with VS/XP cam, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.2" pulley for '97-03 GTP/ GS with SS intercooler, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.0" pulley requires larger injectors and a full size intercooler or SS intercooler and cam or rocker setup

Our pulleys come with 8 ribs on them, but a 6 rib belt will still work completely fine.

Bolt torque spec is 72 inch pounds.

This is a replacement pulley for our Modular Pulley System that removes the stock supercharger pulley and replaces it with our stainless hub, and these pulleys will bolt onto that hub. A jaw style puller should never be used to remove a supercharger pulley, if it is used, it will destroy the pulley and possibly damage the supercharger. We recommend using our Supercharger Pulley Puller. Once installed the hub allows quick changing of pulleys with an Allen wrench. The ZZP MPS allows you to change between pulleys depending on conditions, use one pulley for street use and a smaller for the track or when running high octane fuel. A modular pulley system is a must for those planning to continue to modify their car in the future.

Recommended Pulley sizes (based on 93 octane, 91 add .1, 89 add .3):

  • 3.6" pulley - '04+ Grand Prix supercharged/ '00+ SSEi/ Ultra/ '04+ Monte/Impala SS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.5" pulley for '01-03 GTP/ GS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.5" pulley for '04+ Grand Prix supercharged/ '00+ SSEi/ Ultra/ '04+ Monte/Impala SS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and some exhaust work.
  • 3.4" pulley for '97-00 GTP/ GS with ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.4" pulley for '01-03 GTP/ GS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.3" pulley for '97-00 GTP/ GS with 1.9 rockers, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe
  • 3.3" pulley for '01-03 GTP/ GS with VS/XP cam, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.2" pulley for '97-03 GTP/ GS with SS intercooler, ZZP pcm, CAI, cooler plugs/thermostat, and bolt in downpipe.
  • 3.0" pulley requires larger injectors and a full size intercooler or SS intercooler and cam or rocker setup

Our pulleys come with 8 ribs on them, but a 6 rib belt will still work completely fine.

Bolt torque spec is 72 inch pounds.

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