LIGHTWEIGHT MAIN PULLEY
CAD designed and CNC machined from billet 6061-T6
and hard anodized for a long lasting finish.
Directly replaces the factory main pulley. Built
to t ...
The Perrin lightened crank pulley is made from
6061T6 Aluminum and at 1.2lbs is more than 4lbs
lighter than the stock pulley.
It is not underdriven and so will not alter the
...
for Impreza '93-up' Legacy '90-up' Forester 'All'
SVX '92-97'. Unorthodox Racing pulleys can
provide gains of 5 to 12 HP and 4 to 8 ft.-lbs. on
normally aspirated engines and ...
They are made of CNC'd 6061-T6 aluminum, and
available in red, blue, or black. Weight is 1.19
lbs, and you can expect about an 8 hp gain at the
wheels. These pulleys are not u ...
