GFB Lightweight Underdrive 3 Pulley Kit Direct Fit Water to Air Intercooler Heat Exchangers Package Contents:

Package Contents:

2006-2007 Subaru STI GDB Hawk Eye (EJ25)

The 5933 Atmosphere Conversion Kit includes a 33mm hose plug to block off the recirc hose

proper fuel economy and protection for your engine

I've always liked the KA24 with its high comp

GFB Lightweight Underdrive 3 Pulley Kit Direct Fit Water to Air Intercooler Heat Exchangers Package Contents:GFB lightweight pulley kits are made from aircraft grade 6061 T6 aluminium and offer faster acceleration through significant weight reduction on the crankshaft. Most of our kits are underdriven, which means the accessories are driven slightly slower to reduce parasitic losses. GFB pulley kits are designed to improve acceleration by reducing the rotational mass (inertia) on the crankshaft as well as parasitic loads from the driven accessories. The