GFB Subaru BRZ/Toyota 86/Scion FR-S Lightweight 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 amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85%, so most of the torque that used to accelerate the pulley can now be applied to the wheels.

Additional Information

Lightweight Crank Pulley

Application Summary

Subaru BRZ/86?FR-S

Part Type

Engine Under Drive Pulley Kit

• SHARPER THROTTLE RESPONSE AND "URGE", ENGINE FEELS MORE LIVELY AND WILLING TO REV, UP TO 85% ROTATING INERTIA REDUCTION, WILL NOT CAUSE ENGINE DAMAGE, NO NEGATIVE EFFECTS ON DRIVEN ACCESSORY PERFORMANCE

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Reference Information

Lightweight Crank PulleyBRZ/86?FR-S