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Evolution 4-8 (4G63) Valve Guides

GSC Power-Division valve guides are made from a proprietary blend of Manganese Bronze and turned on dedicated precision CNC turning centers. With performance and aftermarket installation in mind, we hold extremely tight tolerances on through-hole concentricity to outside diameter which minimizes the required honing time for the installer. True-to-size outside diameters minimize honing of guide bosses on cylinder heads that don't require boss service. Our guides are easier to install and shaped to improve air flow instead of just copying OEM design.

Products

GSC Power-Division Traditional Exhaust Valve Guide for Mitsubishi 4G63T
Part: GSC3001-8

GSC Power-Division Standard Exhaust Valve Guide for Mitsubishi 4G63T, smooth style

Standard sized sold as set of 8 or individually

Oversized sold individually as +0.001" and +0.003" 

$46.00
 
(0 reviews)  
GSC Power-Division Traditional Intake Valve Guide for Mitsubishi 4G63T
Part: GSC3002-8

GSC Power-Division Standard Intake Valve Guide for Mitsubishi 4G63T, smooth style

Standard sized sold as set of 8 or individually

Oversized sold individually as +0.001" and +0.003" 

$46.00
 
(0 reviews)  
GSC Power-Division Standard Exhaust Valve Guide for Mitsubishi 4G63T with stopper
Part: GSC3003-8

GSC Power-Division Standard Exhaust Valve Guide for Mitsubishi 4G63T, stopper style

Standard sized sold as set of 8 or individually

Oversized sold individually as +0.001" and +0.003" 

$46.00
 
(0 reviews)  
GSC Power-Division Standard Intake Valve Guide for Mitsubishi 4G63T with stopper
Part: GSC3004-8

GSC Power-Division Standard Intake Valve Guide for Mitsubishi 4G63T, stopper style

Standard sized sold as set of 8 or individually

Oversized sold individually as +0.001" and +0.003" 

$46.00
 
(0 reviews)  
GSC Power-Division Shorty Exhaust Valve Guide for Mitsubishi 4G63T with stopper
Part: GSC3005-8

GSC Power-Division Shorty Exhaust Valve Guide for Mitsubishi 4G63T, stopper style  

Standard sized sold as set of 8 or individually

Oversized sold individually as +0.001" and +0.003" 

$46.00
 
(0 reviews)