GrimmSpeed Lightweight Crank Pulley Black - Subaru FA/FB Engines (095023) 3517 the Ferro-Carbon friction material of

the Ferro-Carbon friction material of LTS is the optimal pad choice for light duty trucks

When considering full-race use on lighter cars

This is a massive 50 HP* and 73 TQ* gain at the rear-wheels gain by simply plugging in the TruControl by STILLEN Inline Power Module

Aggressive Tone

Hose - Startlite Racing Hose - 20 AN - 20 ft - Braided Nomex / Kevlar - AQP Smooth Bore - Black - Each

GrimmSpeed Lightweight Crank Pulley Black - Subaru FA/FB Engines (095023) 3517 the Ferro-Carbon friction material ofYour factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a c compressor and alternator. It does this by way of a rubber belt and it does it's job well. The drawback to the factory pulley is that it's quite heavy. Reasons for this include less expensive manufacturing and using the pulley's mass to smooth out 'noise' in the accessory system (NOT to be confused with functioning as a harmonic dampener,