The PERRIN Performance Lightweight Crank Pulley. This crank pulley has been designed to reduce the rotational mass of your engine to promote faster revs, better response, with increased performance.
DETAILS:
Anodized black finish with white PERRIN logo
Weighs just 1.2 lbs which is 4 lbs lighter than the stock OEM crank pulley
The reduction in weight from the crankshaft is equal to removing more than 100lbs of vehicle weight
Machined from 6061 T6 billet aluminum materials
Precision machined grooves which tightly sync with all OEM and aftermarket belts
![Perrin [02-14 WRX, 04-21 STI, 05-09 Legacy, 04-13 FXT] Lightened Crank Pulley Blue](http://iwujiperformance.com/cdn/shop/files/perrin-02-14-wrx-04-21-sti-05-09-legacy-04-13-forester-lightened-crank-pulley-blue-psp-eng-100bl-1452677.jpg?v=1786739932&width=1445)
![Perrin [02-14 WRX, 04-21 STI, 05-09 Legacy, 04-13 FXT] Lightened Crank Pulley Blue](http://iwujiperformance.com/cdn/shop/files/perrin-02-14-wrx-04-21-sti-05-09-legacy-04-13-forester-lightened-crank-pulley-blue-psp-eng-100bl-2812578.jpg?v=1786739931&width=1445)
![Perrin [02-14 WRX, 04-21 STI, 05-09 Legacy, 04-13 FXT] Lightened Crank Pulley Blue](http://iwujiperformance.com/cdn/shop/files/perrin-02-14-wrx-04-21-sti-05-09-legacy-04-13-forester-lightened-crank-pulley-blue-psp-eng-100bl-1308639.jpg?v=1786739931&width=1445)
![Perrin [02-14 WRX, 04-21 STI, 05-09 Legacy, 04-13 FXT] Lightened Crank Pulley Blue](http://iwujiperformance.com/cdn/shop/files/perrin-02-14-wrx-04-21-sti-05-09-legacy-04-13-forester-lightened-crank-pulley-blue-psp-eng-100bl-8576332.jpg?v=1786739932&width=1445)