GSC 4G63 Exhaust Valve Guides with Stopper (3003) Select::+.003" Single Guide (GSC3003.003-1) • Comparable Race Size 8

• Comparable Race Size 8

COBB Fast ECU Flashing: Allows ECU map change flashing time to be reduced to 40 seconds or less

with healthy gains all the way across both curves

all with the twist of a single adjustment knob

• Ideal for Daily Driving and Touring

GSC 4G63 Exhaust Valve Guides with Stopper (3003) Select::+.003" Single Guide (GSC3003.003-1) • Comparable Race Size 8The GSC Power Division exhaust valve guides with stopper for 4G63 Evo and DSM. Standard sized guides are sold as set of 8 or individually. Oversized +0. 001" and +0. 003" options are sold individually. Please double check your purchase and quantities. Vehicle Fitment: Mitsubishi 4G63 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991 1992 Galant VR4 Specs: Total Length: 1. 950" 49. 53mm Outer Diameter: 0.