Kartboy Crankshaft Pulley for the Scion FRS and Subaru BRZ weighs in at 1 Pound. A good bit lighter than stock but not light enough to throw a CE light. Free up a little crank HP and get some KB Bling.
Weight Savings:
Factory Crank = 4.89lbs
GFB = 1.0lb
Fits:
Scion FR-S Kartboy Crank Pulley
Scion FR-S Kartboy Crank Pulley
Subaru BRZ Kartboy Crank Pulley
Toyota GT-86 Kartboy Crank Pulley