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Pulleys - Crank, Underdrive
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Vendor: Go Fast Bits
GFB 02-10+ WRX/STI Crank Pulley (Not Under-Drive)
It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable...Sale price $161.10Regular price $179.00 -
Vendor: Go Fast Bits
GFB Nissan 300ZX Crank Pulley
It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable...Sale price $246.60Regular price $274.00 -
Vendor: Go Fast Bits
GFB Nissan 200SX SR20DET Crank Pulley
GFB Nissan 200SX SR20DET Crank PulleySale price $234.00Regular price $260.00 -
Vendor: Go Fast Bits
GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc)
It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable...Sale price $328.50Regular price $365.00 -
Vendor: Go Fast Bits
GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit
It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable...Sale price $328.50Regular price $365.00 -
Vendor: Go Fast Bits
GFB 02-10 WRX/STI 2 Piece Under-Drive Pulley Kit w/ Belts (Crank & Alternator)
It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable...Sale price $234.00Regular price $260.00
