GSC Power Division
Browse all modelsBrowse this collection, then check each product’s model years, trim and installation notes before ordering.
Pre-Black Friday Sale: up to 30% off across this collection, already applied. No code.
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Sold out GSC P-D Subaru EJ205/EJ207/EJ257/EJ257B Exhaust Valve Guide Stopper Style +.001in OD - Single $6.90 Regular price $7.59 -
Sale GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 8 $53.16 Regular price $58.41 -
Sale GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Exhaust Valve Guide Stopper Style - SET OF 8 $53.16 Regular price $58.41 -
Sold out GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8 $53.16 Regular price $58.41 -
Sold out GSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12 $79.73 Regular price $87.61 -
Sale GSC P-D Hyundai G4KF Theta Manganese Bronze Intake Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D Hyundai G4KF Theta Manganese Bronze Exhaust Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8 $53.16 Regular price $58.41 -
Sold out GSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4B11T Manganese Bronze Intake Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4B11T Manganese Bronze Exhaust Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Shorty Stopper- Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4G63 Manganese Bronze Intake Valve Guide Stopper Style- Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Stopper Style- Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4G63 Manganese Bronze Intake Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide - Set 8 $53.16 Regular price $58.41 -
Sale GSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished $184.41 Regular price $202.64 -
Sale GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8) $186.42 Regular price $204.85 -
Sale GSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8 $183.60 Regular price $201.76 -
Sale GSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8 $184.81 Regular price $203.09 -
Sale GSC P-D 2022+ Subaru FA24F 29mm Head STD 96.5mm Long Alloy Chrome Polished Exhaust Valve - Set of 8 $281.92 Regular price $309.80 -
Sale GSC P-D 2022+ Subaru WRX FA24F 36mm Head (STD) 104.8mm Long Chrome Polished Intake Valve - Set of 8 $181.73 Regular price $199.70 -
Sale GSC P-D Audi DAZA 28mm Head STD 101.8mm Long Chrome Polished Exhaust Valve - Set of 10 $390.72 Regular price $429.35
