Pulleys - Crank, Underdrive

GFB 08+ WRX/STi / 09+ Forester / 03-09 LGT 3 pc Underdrive/Non-Underdrive 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 amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...

GFB 06-08 Volkswage/Audi 2.0T Super Lightweight Non-Underdrive Crank Pulley Suits

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 amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...

GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)

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 amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...

Aeromotive Cog Belt Pulley 14-Tooth 3/8 Pitch Fuel Pump Drive Pulley

Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace tolerances and procedures, three generations of track experience, and a meticulous approach to...

Aeromotive 28-Tooth Pulley

Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace tolerances and procedures, three generations of track experience, and a meticulous approach to...

BBK 97-04 Ford F150 Expedition 4.6 5.4 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc)

Since 1988 the BBK Performance brand has been synonymous with bolt on performance for modern muscle cars and trucks since its beginning in 1988. In fact it was our founders Brian & Ken Murphy that designed and developed the first aftermarket air intake...

Torque Solution Lightweight WP/Crank/Alt Pulley Combo (Silver): Hyundai Genesis Coupe 3.8 2010+

Torque Solution Lightweight WP/Crank/Alt Pulley Combo (Silver): Hyundai Genesis Coupe 3.8 2010+

Torque Solution Lightweight WP/Crank/Alt Pulley Combo (Black): Hyundai Genesis Coupe 3.8 2010+

Torque Solution Lightweight WP/Crank/Alt Pulley Combo (Black): Hyundai Genesis Coupe 3.8 2010+

GReddy FA20 Pulley Kit (Special Order)

GReddy FA20 Pulley Kit (Special Order)

GReddy 13-16 Subaru BRZ/Scion FR-S Idler Pulley Spacer

GReddy 13-16 Subaru BRZ/Scion FR-S Idler Pulley Spacer

GReddy S14/S15 Pulley Kit

GReddy S14/S15 Pulley Kit

BBK 88-95 GM Truck 4.3 5.0 5.7 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc)

Since 1988 the BBK Performance brand has been synonymous with bolt on performance for modern muscle cars and trucks since its beginning in 1988. In fact it was our founders Brian & Ken Murphy that designed and developed the first aftermarket air intake...