GFB 08+ WRX/STi / 09+ Forester / 03-09 LGT 3 pc Underdrive/Non-Underdrive Pulley Kit MAP Sparco Base Mazda Mx3 92-98

Sparco Base Mazda Mx3 92-98 Lft

pan-e-vac tubes

Sparco Whl Spacer 16M 4X100 - 54Id

GSC P-D Dodge Viper 2015+ Manganese Bronze Exhaust Valve Guide - SET OF 10

Includes: 1-5 Pro-Series Carbon Lined Synchros

GFB 08+ WRX/STi / 09+ Forester / 03-09 LGT 3 pc Underdrive/Non-Underdrive Pulley Kit MAP Sparco Base Mazda Mx3 92-98It 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 percent, so most of the torque that used to accelerate the pulley can now be applied to the wheels. This Part Fits: Year Make Model Submodel 2009 Subaru Forester XT 2009 2010 Subaru Forester XT Limited