Robust Engine Internals
Boost your vehicle’s power from within with our JDM Engine & Power - Engine Internals from HD Werks. Designed for high-performance and durability, these original aftermarket parts are engineered in Japan for racing excellence. Infused with DOHC precision and inspired by Honda and Toyota innovation, our engine internals deliver unmatched power and reliability. Shop our collection for components that ensure your engine performs optimally, enhancing efficiency and driving excitement. Experience the difference of superior craftsmanship and authentic JDM engineering.
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Vendor:GSC Power Division
GSC P-D Honda Miata 1.6L/1.8L Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Mazda Miata 1.6L/1.8L Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Intake Valve Guide Standard Style +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Intake Valve Guide Standard Style +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Intake Valve Guide - SET OF 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Exhaust Valve Guide Standard Style +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Exhaust Valve Guide Standard Style +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW M3 E36 Manganese Bronze Intake Valve Guide Stopper Style +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW M3 E36 Manganese Bronze Intake Valve Guide Stopper Style +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW M3 E36 Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW E36 M3 Manganese Bronze Exhaust Valve Guide Stopper Style +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW M3 E36 Manganese Bronze Exhaust Valve Guide Stopper Style +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D BMW E36 M3 Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda K20/K24 VTEC Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda K20/K24 VTEC Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda VTEC K20/K24 Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda K20/K24 VTEC Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda K20/K24 VTEC Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda K-Series VTEC K20/K24 Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Manganese Bronze Intake Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Intake Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B-Series VTEC B16A/B17A/B18C Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda VTEC B16A/B17A/B18C Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Manganese Bronze Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Manganese Bronze Exhaust Valve Guide +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Nissan VK56 Manganese Bronze Intake Valve Guide + .003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan VK56 Manganese Bronze Intake Valve Guide +.001in Oversize - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan VK56 Manganese Bronze Intake Valve Guide - Set 24
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99